diff options
Diffstat (limited to 'arch/arm')
32 files changed, 3648 insertions, 80 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4fe1db17146..f41fe7a4001 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1435,7 +1435,7 @@ config SMP depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \ - ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK + ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK || SOC_IMX6Q select USE_GENERIC_SMP_HELPERS select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP help diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 4bb7eb90f07..c865b927136 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -135,6 +135,118 @@ choice Say Y here if you want the debug print routines to direct their output to the UART on Highbank based devices. + config DEBUG_IMX1_UART + bool "i.MX1 Debug UART" + depends on SOC_IMX1 + help + Say Y here if you want kernel low-level debugging support + on i.MX1. + + config DEBUG_IMX23_UART + bool "i.MX23 Debug UART" + depends on SOC_IMX23 + help + Say Y here if you want kernel low-level debugging support + on i.MX23. + + config DEBUG_IMX25_UART + bool "i.MX25 Debug UART" + depends on SOC_IMX25 + help + Say Y here if you want kernel low-level debugging support + on i.MX25. + + config DEBUG_IMX21_IMX27_UART + bool "i.MX21 and i.MX27 Debug UART" + depends on SOC_IMX21 || SOC_IMX27 + help + Say Y here if you want kernel low-level debugging support + on i.MX21 or i.MX27. + + config DEBUG_IMX28_UART + bool "i.MX28 Debug UART" + depends on SOC_IMX28 + help + Say Y here if you want kernel low-level debugging support + on i.MX28. + + config DEBUG_IMX31_IMX35_UART + bool "i.MX31 and i.MX35 Debug UART" + depends on SOC_IMX31 || SOC_IMX35 + help + Say Y here if you want kernel low-level debugging support + on i.MX31 or i.MX35. + + config DEBUG_IMX51_UART + bool "i.MX51 Debug UART" + depends on SOC_IMX51 + help + Say Y here if you want kernel low-level debugging support + on i.MX51. + + config DEBUG_IMX50_IMX53_UART + bool "i.MX50 and i.MX53 Debug UART" + depends on SOC_IMX50 || SOC_IMX53 + help + Say Y here if you want kernel low-level debugging support + on i.MX50 or i.MX53. + + config DEBUG_IMX6Q_UART + bool "i.MX6Q Debug UART" + depends on SOC_IMX6Q + help + Say Y here if you want kernel low-level debugging support + on i.MX6Q. + + config DEBUG_S3C_UART0 + depends on PLAT_SAMSUNG + bool "Use S3C UART 0 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 0. The port must have been initialised + by the boot-loader before use. + + The uncompressor code port configuration is now handled + by CONFIG_S3C_LOWLEVEL_UART_PORT. + + config DEBUG_S3C_UART1 + depends on PLAT_SAMSUNG + bool "Use S3C UART 1 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 1. The port must have been initialised + by the boot-loader before use. + + The uncompressor code port configuration is now handled + by CONFIG_S3C_LOWLEVEL_UART_PORT. + + config DEBUG_S3C_UART2 + depends on PLAT_SAMSUNG + bool "Use S3C UART 2 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 2. The port must have been initialised + by the boot-loader before use. + + The uncompressor code port configuration is now handled + by CONFIG_S3C_LOWLEVEL_UART_PORT. + + config DEBUG_REALVIEW_STD_PORT + bool "RealView Default UART" + depends on ARCH_REALVIEW + help + Say Y here if you want the debug print routines to direct + their output to the serial port on RealView EB, PB11MP, PBA8 + and PBX platforms. + + config DEBUG_REALVIEW_PB1176_PORT + bool "RealView PB1176 UART" + depends on MACH_REALVIEW_PB1176 + help + Say Y here if you want the debug print routines to direct + their output to the standard serial port on the RealView + PB1176 platform. + endchoice config EARLY_PRINTK @@ -153,18 +265,6 @@ config OC_ETM buffer driver that will allow you to collect traces of the kernel code. -config DEBUG_S3C_UART - depends on PLAT_SAMSUNG - int "S3C UART to use for low-level debug" - default "0" - help - Choice for UART for kernel low-level using S3C UARTS, - should be between zero and two. The port must have been - initialised by the boot-loader before use. - - The uncompressor code port configuration is now handled - by CONFIG_S3C_LOWLEVEL_UART_PORT. - config ARM_KPROBES_TEST tristate "Kprobes test module" depends on KPROBES && MODULES diff --git a/arch/arm/Makefile b/arch/arm/Makefile index e775f93844a..ae458aee8b6 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -159,7 +159,7 @@ machine-$(CONFIG_ARCH_MMP) := mmp machine-$(CONFIG_ARCH_MSM) := msm machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 machine-$(CONFIG_ARCH_IMX_V4_V5) := imx -machine-$(CONFIG_ARCH_MX3) := imx +machine-$(CONFIG_ARCH_IMX_V6_V7) := imx machine-$(CONFIG_ARCH_MX5) := mx5 machine-$(CONFIG_ARCH_MXS) := mxs machine-$(CONFIG_ARCH_NETX) := netx diff --git a/arch/arm/boot/dts/imx6q-sabreauto.dts b/arch/arm/boot/dts/imx6q-sabreauto.dts new file mode 100644 index 00000000000..072974e443f --- /dev/null +++ b/arch/arm/boot/dts/imx6q-sabreauto.dts @@ -0,0 +1,62 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/dts-v1/; +/include/ "imx6q.dtsi" + +/ { + model = "Freescale i.MX6 Quad SABRE Automotive Board"; + compatible = "fsl,imx6q-sabreauto", "fsl,imx6q"; + + chosen { + bootargs = "console=ttymxc0,115200 root=/dev/mmcblk3p3 rootwait"; + }; + + memory { + reg = <0x10000000 0x80000000>; + }; + + soc { + aips-bus@02100000 { /* AIPS2 */ + enet@02188000 { + phy-mode = "rgmii"; + local-mac-address = [00 04 9F 01 1B 61]; + status = "okay"; + }; + + usdhc@02198000 { /* uSDHC3 */ + cd-gpios = <&gpio5 11 0>; /* GPIO6_11 */ + wp-gpios = <&gpio5 14 0>; /* GPIO6_14 */ + status = "okay"; + }; + + usdhc@0219c000 { /* uSDHC4 */ + fsl,card-wired; + status = "okay"; + }; + + uart3: uart@021f0000 { /* UART4 */ + status = "okay"; + }; + }; + }; + + leds { + compatible = "gpio-leds"; + + debug-led { + label = "Heartbeat"; + gpios = <&gpio2 25 0>; /* GPIO3_25 */ + linux,default-trigger = "heartbeat"; + }; + }; +}; diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi new file mode 100644 index 00000000000..7dda599558c --- /dev/null +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -0,0 +1,575 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/include/ "skeleton.dtsi" + +/ { + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a9"; + reg = <0>; + next-level-cache = <&L2>; + }; + + cpu@1 { + compatible = "arm,cortex-a9"; + reg = <1>; + next-level-cache = <&L2>; + }; + + cpu@2 { + compatible = "arm,cortex-a9"; + reg = <2>; + next-level-cache = <&L2>; + }; + + cpu@3 { + compatible = "arm,cortex-a9"; + reg = <3>; + next-level-cache = <&L2>; + }; + }; + + intc: interrupt-controller@00a01000 { + compatible = "arm,cortex-a9-gic"; + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + interrupt-controller; + reg = <0x00a01000 0x1000>, + <0x00a00100 0x100>; + }; + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + ckil { + compatible = "fsl,imx-ckil", "fixed-clock"; + clock-frequency = <32768>; + }; + + ckih1 { + compatible = "fsl,imx-ckih1", "fixed-clock"; + clock-frequency = <0>; + }; + + osc { + compatible = "fsl,imx-osc", "fixed-clock"; + clock-frequency = <24000000>; + }; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&intc>; + ranges; + + timer@00a00600 { + compatible = "arm,smp-twd"; + reg = <0x00a00600 0x100>; + interrupts = <1 13 0xf4>; + }; + + L2: l2-cache@00a02000 { + compatible = "arm,pl310-cache"; + reg = <0x00a02000 0x1000>; + interrupts = <0 92 0x04>; + cache-unified; + cache-level = <2>; + }; + + aips-bus@02000000 { /* AIPS1 */ + compatible = "fsl,aips-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x02000000 0x100000>; + ranges; + + spba-bus@02000000 { + compatible = "fsl,spba-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x02000000 0x40000>; + ranges; + + spdif@02004000 { + reg = <0x02004000 0x4000>; + interrupts = <0 52 0x04>; + }; + + ecspi@02008000 { /* eCSPI1 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; + reg = <0x02008000 0x4000>; + interrupts = <0 31 0x04>; + status = "disabled"; + }; + + ecspi@0200c000 { /* eCSPI2 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; + reg = <0x0200c000 0x4000>; + interrupts = <0 32 0x04>; + status = "disabled"; + }; + + ecspi@02010000 { /* eCSPI3 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; + reg = <0x02010000 0x4000>; + interrupts = <0 33 0x04>; + status = "disabled"; + }; + + ecspi@02014000 { /* eCSPI4 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; + reg = <0x02014000 0x4000>; + interrupts = <0 34 0x04>; + status = "disabled"; + }; + + ecspi@02018000 { /* eCSPI5 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi"; + reg = <0x02018000 0x4000>; + interrupts = <0 35 0x04>; + status = "disabled"; + }; + + uart0: uart@02020000 { /* UART1 */ + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x02020000 0x4000>; + interrupts = <0 26 0x04>; + status = "disabled"; + }; + + esai@02024000 { + reg = <0x02024000 0x4000>; + interrupts = <0 51 0x04>; + }; + + ssi@02028000 { /* SSI1 */ + reg = <0x02028000 0x4000>; + interrupts = <0 46 0x04>; + }; + + ssi@0202c000 { /* SSI2 */ + reg = <0x0202c000 0x4000>; + interrupts = <0 47 0x04>; + }; + + ssi@02030000 { /* SSI3 */ + reg = <0x02030000 0x4000>; + interrupts = <0 48 0x04>; + }; + + asrc@02034000 { + reg = <0x02034000 0x4000>; + interrupts = <0 50 0x04>; + }; + + spba@0203c000 { + reg = <0x0203c000 0x4000>; + }; + }; + + vpu@02040000 { + reg = <0x02040000 0x3c000>; + interrupts = <0 3 0x04 0 12 0x04>; + }; + + aipstz@0207c000 { /* AIPSTZ1 */ + reg = <0x0207c000 0x4000>; + }; + + pwm@02080000 { /* PWM1 */ + reg = <0x02080000 0x4000>; + interrupts = <0 83 0x04>; + }; + + pwm@02084000 { /* PWM2 */ + reg = <0x02084000 0x4000>; + interrupts = <0 84 0x04>; + }; + + pwm@02088000 { /* PWM3 */ + reg = <0x02088000 0x4000>; + interrupts = <0 85 0x04>; + }; + + pwm@0208c000 { /* PWM4 */ + reg = <0x0208c000 0x4000>; + interrupts = <0 86 0x04>; + }; + + flexcan@02090000 { /* CAN1 */ + reg = <0x02090000 0x4000>; + interrupts = <0 110 0x04>; + }; + + flexcan@02094000 { /* CAN2 */ + reg = <0x02094000 0x4000>; + interrupts = <0 111 0x04>; + }; + + gpt@02098000 { + compatible = "fsl,imx6q-gpt"; + reg = <0x02098000 0x4000>; + interrupts = <0 55 0x04>; + }; + + gpio0: gpio@0209c000 { /* GPIO1 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x0209c000 0x4000>; + interrupts = <0 66 0x04 0 67 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gpio1: gpio@020a0000 { /* GPIO2 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x020a0000 0x4000>; + interrupts = <0 68 0x04 0 69 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gpio2: gpio@020a4000 { /* GPIO3 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x020a4000 0x4000>; + interrupts = <0 70 0x04 0 71 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gpio3: gpio@020a8000 { /* GPIO4 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x020a8000 0x4000>; + interrupts = <0 72 0x04 0 73 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gpio4: gpio@020ac000 { /* GPIO5 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x020ac000 0x4000>; + interrupts = <0 74 0x04 0 75 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gpio5: gpio@020b0000 { /* GPIO6 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x020b0000 0x4000>; + interrupts = <0 76 0x04 0 77 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gpio6: gpio@020b4000 { /* GPIO7 */ + compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio"; + reg = <0x020b4000 0x4000>; + interrupts = <0 78 0x04 0 79 0x04>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + }; + + kpp@020b8000 { + reg = <0x020b8000 0x4000>; + interrupts = <0 82 0x04>; + }; + + wdog@020bc000 { /* WDOG1 */ + compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt"; + reg = <0x020bc000 0x4000>; + interrupts = <0 80 0x04>; + status = "disabled"; + }; + + wdog@020c0000 { /* WDOG2 */ + compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt"; + reg = <0x020c0000 0x4000>; + interrupts = <0 81 0x04>; + status = "disabled"; + }; + + ccm@020c4000 { + compatible = "fsl,imx6q-ccm"; + reg = <0x020c4000 0x4000>; + interrupts = <0 87 0x04 0 88 0x04>; + }; + + anatop@020c8000 { + compatible = "fsl,imx6q-anatop"; + reg = <0x020c8000 0x1000>; + interrupts = <0 49 0x04 0 54 0x04 0 127 0x04>; + }; + + usbphy@020c9000 { /* USBPHY1 */ + reg = <0x020c9000 0x1000>; + interrupts = <0 44 0x04>; + }; + + usbphy@020ca000 { /* USBPHY2 */ + reg = <0x020ca000 0x1000>; + interrupts = <0 45 0x04>; + }; + + snvs@020cc000 { + reg = <0x020cc000 0x4000>; + interrupts = <0 19 0x04 0 20 0x04>; + }; + + epit@020d0000 { /* EPIT1 */ + reg = <0x020d0000 0x4000>; + interrupts = <0 56 0x04>; + }; + + epit@020d4000 { /* EPIT2 */ + reg = <0x020d4000 0x4000>; + interrupts = <0 57 0x04>; + }; + + src@020d8000 { + compatible = "fsl,imx6q-src"; + reg = <0x020d8000 0x4000>; + interrupts = <0 91 0x04 0 96 0x04>; + }; + + gpc@020dc000 { + compatible = "fsl,imx6q-gpc"; + reg = <0x020dc000 0x4000>; + interrupts = <0 89 0x04 0 90 0x04>; + }; + + iomuxc@020e0000 { + reg = <0x020e0000 0x4000>; + }; + + dcic@020e4000 { /* DCIC1 */ + reg = <0x020e4000 0x4000>; + interrupts = <0 124 0x04>; + }; + + dcic@020e8000 { /* DCIC2 */ + reg = <0x020e8000 0x4000>; + interrupts = <0 125 0x04>; + }; + + sdma@020ec000 { + compatible = "fsl,imx6q-sdma", "fsl,imx35-sdma"; + reg = <0x020ec000 0x4000>; + interrupts = <0 2 0x04>; + }; + }; + + aips-bus@02100000 { /* AIPS2 */ + compatible = "fsl,aips-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x02100000 0x100000>; + ranges; + + caam@02100000 { + reg = <0x02100000 0x40000>; + interrupts = <0 105 0x04 0 106 0x04>; + }; + + aipstz@0217c000 { /* AIPSTZ2 */ + reg = <0x0217c000 0x4000>; + }; + + enet@02188000 { + compatible = "fsl,imx6q-fec"; + reg = <0x02188000 0x4000>; + interrupts = <0 118 0x04 0 119 0x04>; + status = "disabled"; + }; + + mlb@0218c000 { + reg = <0x0218c000 0x4000>; + interrupts = <0 53 0x04 0 117 0x04 0 126 0x04>; + }; + + usdhc@02190000 { /* uSDHC1 */ + compatible = "fsl,imx6q-usdhc"; + reg = <0x02190000 0x4000>; + interrupts = <0 22 0x04>; + status = "disabled"; + }; + + usdhc@02194000 { /* uSDHC2 */ + compatible = "fsl,imx6q-usdhc"; + reg = <0x02194000 0x4000>; + interrupts = <0 23 0x04>; + status = "disabled"; + }; + + usdhc@02198000 { /* uSDHC3 */ + compatible = "fsl,imx6q-usdhc"; + reg = <0x02198000 0x4000>; + interrupts = <0 24 0x04>; + status = "disabled"; + }; + + usdhc@0219c000 { /* uSDHC4 */ + compatible = "fsl,imx6q-usdhc"; + reg = <0x0219c000 0x4000>; + interrupts = <0 25 0x04>; + status = "disabled"; + }; + + i2c@021a0000 { /* I2C1 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; + reg = <0x021a0000 0x4000>; + interrupts = <0 36 0x04>; + status = "disabled"; + }; + + i2c@021a4000 { /* I2C2 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; + reg = <0x021a4000 0x4000>; + interrupts = <0 37 0x04>; + status = "disabled"; + }; + + i2c@021a8000 { /* I2C3 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c"; + reg = <0x021a8000 0x4000>; + interrupts = <0 38 0x04>; + status = "disabled"; + }; + + romcp@021ac000 { + reg = <0x021ac000 0x4000>; + }; + + mmdc@021b0000 { /* MMDC0 */ + compatible = "fsl,imx6q-mmdc"; + reg = <0x021b0000 0x4000>; + }; + + mmdc@021b4000 { /* MMDC1 */ + reg = <0x021b4000 0x4000>; + }; + + weim@021b8000 { + reg = <0x021b8000 0x4000>; + interrupts = <0 14 0x04>; + }; + + ocotp@021bc000 { + reg = <0x021bc000 0x4000>; + }; + + ocotp@021c0000 { + reg = <0x021c0000 0x4000>; + interrupts = <0 21 0x04>; + }; + + tzasc@021d0000 { /* TZASC1 */ + reg = <0x021d0000 0x4000>; + interrupts = <0 108 0x04>; + }; + + tzasc@021d4000 { /* TZASC2 */ + reg = <0x021d4000 0x4000>; + interrupts = <0 109 0x04>; + }; + + audmux@021d8000 { + reg = <0x021d8000 0x4000>; + }; + + mipi@021dc000 { /* MIPI-CSI */ + reg = <0x021dc000 0x4000>; + }; + + mipi@021e0000 { /* MIPI-DSI */ + reg = <0x021e0000 0x4000>; + }; + + vdoa@021e4000 { + reg = <0x021e4000 0x4000>; + interrupts = <0 18 0x04>; + }; + + uart1: uart@021e8000 { /* UART2 */ + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x021e8000 0x4000>; + interrupts = <0 27 0x04>; + status = "disabled"; + }; + + uart2: uart@021ec000 { /* UART3 */ + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x021ec000 0x4000>; + interrupts = <0 28 0x04>; + status = "disabled"; + }; + + uart3: uart@021f0000 { /* UART4 */ + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x021f0000 0x4000>; + interrupts = <0 29 0x04>; + status = "disabled"; + }; + + uart4: uart@021f4000 { /* UART5 */ + compatible = "fsl,imx6q-uart", "fsl,imx21-uart"; + reg = <0x021f4000 0x4000>; + interrupts = <0 30 0x04>; + status = "disabled"; + }; + }; + }; +}; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index b4e1bf8757c..b1f782f07f1 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -1,5 +1,15 @@ config IMX_HAVE_DMA_V1 bool + +config HAVE_IMX_GPC + bool + +config HAVE_IMX_MMDC + bool + +config HAVE_IMX_SRC + bool + # # ARCH_MX31 and ARCH_MX35 are left for compatibility # Some usages assume that having one of them implies not having (e.g.) ARCH_MX2. @@ -64,6 +74,7 @@ config SOC_IMX31 select ARCH_MXC_AUDMUX_V2 select ARCH_MX31 select MXC_AVIC + select SMP_ON_UP if SMP config SOC_IMX35 bool @@ -73,6 +84,7 @@ config SOC_IMX35 select HAVE_EPIT select ARCH_MX35 select MXC_AVIC + select SMP_ON_UP if SMP if ARCH_IMX_V4_V5 @@ -341,7 +353,7 @@ config MACH_IMX27IPCAM endif -if ARCH_MX3 +if ARCH_IMX_V6_V7 comment "MX31 platforms:" @@ -591,4 +603,20 @@ config MACH_VPR200 Include support for VPR200 platform. This includes specific configurations for the board and its peripherals. +comment "i.MX6 family:" + +config SOC_IMX6Q + bool "i.MX6 Quad support" + select ARM_GIC + select CACHE_L2X0 + select CPU_V7 + select HAVE_ARM_SCU + select HAVE_IMX_GPC + select HAVE_IMX_MMDC + select HAVE_IMX_SRC + select USE_OF + + help + This enables support for Freescale i.MX6 Quad processor. + endif diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 116d4b2d281..aba73214c2a 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -60,3 +60,14 @@ obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o obj-$(CONFIG_MACH_EUKREA_CPUIMX35) += mach-cpuimx35.o obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o + +obj-$(CONFIG_DEBUG_LL) += lluart.o +obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o +obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o +obj-$(CONFIG_HAVE_IMX_SRC) += src.o +obj-$(CONFIG_CPU_V7) += head-v7.o +AFLAGS_head-v7.o :=-Wa,-march=armv7-a +obj-$(CONFIG_SMP) += platsmp.o +obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o +obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o +obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o pm-imx6q.o diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot index ebee18b3884..136cfc6f2f8 100644 --- a/arch/arm/mach-imx/Makefile.boot +++ b/arch/arm/mach-imx/Makefile.boot @@ -17,3 +17,7 @@ initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000 zreladdr-$(CONFIG_ARCH_MX3) := 0x80008000 params_phys-$(CONFIG_ARCH_MX3) := 0x80000100 initrd_phys-$(CONFIG_ARCH_MX3) := 0x80800000 + +zreladdr-$(CONFIG_SOC_IMX6Q) += 0x10008000 +params_phys-$(CONFIG_SOC_IMX6Q) := 0x10000100 +initrd_phys-$(CONFIG_SOC_IMX6Q) := 0x10800000 diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c new file mode 100644 index 00000000000..e0b926dfece --- /dev/null +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -0,0 +1,2012 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/types.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <asm/div64.h> +#include <asm/mach/map.h> +#include <mach/clock.h> +#include <mach/common.h> +#include <mach/hardware.h> + +#define PLL_BASE IMX_IO_ADDRESS(MX6Q_ANATOP_BASE_ADDR) +#define PLL1_SYS (PLL_BASE + 0x000) +#define PLL2_BUS (PLL_BASE + 0x030) +#define PLL3_USB_OTG (PLL_BASE + 0x010) +#define PLL4_AUDIO (PLL_BASE + 0x070) +#define PLL5_VIDEO (PLL_BASE + 0x0a0) +#define PLL6_MLB (PLL_BASE + 0x0d0) +#define PLL7_USB_HOST (PLL_BASE + 0x020) +#define PLL8_ENET (PLL_BASE + 0x0e0) +#define PFD_480 (PLL_BASE + 0x0f0) +#define PFD_528 (PLL_BASE + 0x100) +#define PLL_NUM_OFFSET 0x010 +#define PLL_DENOM_OFFSET 0x020 + +#define PFD0 7 +#define PFD1 15 +#define PFD2 23 +#define PFD3 31 +#define PFD_FRAC_MASK 0x3f + +#define BM_PLL_BYPASS (0x1 << 16) +#define BM_PLL_ENABLE (0x1 << 13) +#define BM_PLL_POWER_DOWN (0x1 << 12) +#define BM_PLL_LOCK (0x1 << 31) +#define BP_PLL_SYS_DIV_SELECT 0 +#define BM_PLL_SYS_DIV_SELECT (0x7f << 0) +#define BP_PLL_BUS_DIV_SELECT 0 +#define BM_PLL_BUS_DIV_SELECT (0x1 << 0) +#define BP_PLL_USB_DIV_SELECT 0 +#define BM_PLL_USB_DIV_SELECT (0x3 << 0) +#define BP_PLL_AV_DIV_SELECT 0 +#define BM_PLL_AV_DIV_SELECT (0x7f << 0) +#define BP_PLL_ENET_DIV_SELECT 0 +#define BM_PLL_ENET_DIV_SELECT (0x3 << 0) +#define BM_PLL_ENET_EN_PCIE (0x1 << 19) +#define BM_PLL_ENET_EN_SATA (0x1 << 20) + +#define CCM_BASE IMX_IO_ADDRESS(MX6Q_CCM_BASE_ADDR) +#define CCR (CCM_BASE + 0x00) +#define CCDR (CCM_BASE + 0x04) +#define CSR (CCM_BASE + 0x08) +#define CCSR (CCM_BASE + 0x0c) +#define CACRR (CCM_BASE + 0x10) +#define CBCDR (CCM_BASE + 0x14) +#define CBCMR (CCM_BASE + 0x18) +#define CSCMR1 (CCM_BASE + 0x1c) +#define CSCMR2 (CCM_BASE + 0x20) +#define CSCDR1 (CCM_BASE + 0x24) +#define CS1CDR (CCM_BASE + 0x28) +#define CS2CDR (CCM_BASE + 0x2c) +#define CDCDR (CCM_BASE + 0x30) +#define CHSCCDR (CCM_BASE + 0x34) +#define CSCDR2 (CCM_BASE + 0x38) +#define CSCDR3 (CCM_BASE + 0x3c) +#define CSCDR4 (CCM_BASE + 0x40) +#define CWDR (CCM_BASE + 0x44) +#define CDHIPR (CCM_BASE + 0x48) +#define CDCR (CCM_BASE + 0x4c) +#define CTOR (CCM_BASE + 0x50) +#define CLPCR (CCM_BASE + 0x54) +#define CISR (CCM_BASE + 0x58) +#define CIMR (CCM_BASE + 0x5c) +#define CCOSR (CCM_BASE + 0x60) +#define CGPR (CCM_BASE + 0x64) +#define CCGR0 (CCM_BASE + 0x68) +#define CCGR1 (CCM_BASE + 0x6c) +#define CCGR2 (CCM_BASE + 0x70) +#define CCGR3 (CCM_BASE + 0x74) +#define CCGR4 (CCM_BASE + 0x78) +#define CCGR5 (CCM_BASE + 0x7c) +#define CCGR6 (CCM_BASE + 0x80) +#define CCGR7 (CCM_BASE + 0x84) +#define CMEOR (CCM_BASE + 0x88) + +#define CG0 0 +#define CG1 2 +#define CG2 4 +#define CG3 6 +#define CG4 8 +#define CG5 10 +#define CG6 12 +#define CG7 14 +#define CG8 16 +#define CG9 18 +#define CG10 20 +#define CG11 22 +#define CG12 24 +#define CG13 26 +#define CG14 28 +#define CG15 30 + +#define BM_CCSR_PLL1_SW_SEL (0x1 << 2) +#define BM_CCSR_STEP_SEL (0x1 << 8) + +#define BP_CACRR_ARM_PODF 0 +#define BM_CACRR_ARM_PODF (0x7 << 0) + +#define BP_CBCDR_PERIPH2_CLK2_PODF 0 +#define BM_CBCDR_PERIPH2_CLK2_PODF (0x7 << 0) +#define BP_CBCDR_MMDC_CH1_AXI_PODF 3 +#define BM_CBCDR_MMDC_CH1_AXI_PODF (0x7 << 3) +#define BP_CBCDR_AXI_SEL 6 +#define BM_CBCDR_AXI_SEL (0x3 << 6) +#define BP_CBCDR_IPG_PODF 8 +#define BM_CBCDR_IPG_PODF (0x3 << 8) +#define BP_CBCDR_AHB_PODF 10 +#define BM_CBCDR_AHB_PODF (0x7 << 10) +#define BP_CBCDR_AXI_PODF 16 +#define BM_CBCDR_AXI_PODF (0x7 << 16) +#define BP_CBCDR_MMDC_CH0_AXI_PODF 19 +#define BM_CBCDR_MMDC_CH0_AXI_PODF (0x7 << 19) +#define BP_CBCDR_PERIPH_CLK_SEL 25 +#define BM_CBCDR_PERIPH_CLK_SEL (0x1 << 25) +#define BP_CBCDR_PERIPH2_CLK_SEL 26 +#define BM_CBCDR_PERIPH2_CLK_SEL (0x1 << 26) +#define BP_CBCDR_PERIPH_CLK2_PODF 27 +#define BM_CBCDR_PERIPH_CLK2_PODF (0x7 << 27) + +#define BP_CBCMR_GPU2D_AXI_SEL 0 +#define BM_CBCMR_GPU2D_AXI_SEL (0x1 << 0) +#define BP_CBCMR_GPU3D_AXI_SEL 1 +#define BM_CBCMR_GPU3D_AXI_SEL (0x1 << 1) +#define BP_CBCMR_GPU3D_CORE_SEL 4 +#define BM_CBCMR_GPU3D_CORE_SEL (0x3 << 4) +#define BP_CBCMR_GPU3D_SHADER_SEL 8 +#define BM_CBCMR_GPU3D_SHADER_SEL (0x3 << 8) +#define BP_CBCMR_PCIE_AXI_SEL 10 +#define BM_CBCMR_PCIE_AXI_SEL (0x1 << 10) +#define BP_CBCMR_VDO_AXI_SEL 11 +#define BM_CBCMR_VDO_AXI_SEL (0x1 << 11) +#define BP_CBCMR_PERIPH_CLK2_SEL 12 +#define BM_CBCMR_PERIPH_CLK2_SEL (0x3 << 12) +#define BP_CBCMR_VPU_AXI_SEL 14 +#define BM_CBCMR_VPU_AXI_SEL (0x3 << 14) +#define BP_CBCMR_GPU2D_CORE_SEL 16 +#define BM_CBCMR_GPU2D_CORE_SEL (0x3 << 16) +#define BP_CBCMR_PRE_PERIPH_CLK_SEL 18 +#define BM_CBCMR_PRE_PERIPH_CLK_SEL (0x3 << 18) +#define BP_CBCMR_PERIPH2_CLK2_SEL 20 +#define BM_CBCMR_PERIPH2_CLK2_SEL (0x1 << 20) +#define BP_CBCMR_PRE_PERIPH2_CLK_SEL 21 +#define BM_CBCMR_PRE_PERIPH2_CLK_SEL (0x3 << 21) +#define BP_CBCMR_GPU2D_CORE_PODF 23 +#define BM_CBCMR_GPU2D_CORE_PODF (0x7 << 23) +#define BP_CBCMR_GPU3D_CORE_PODF 26 +#define BM_CBCMR_GPU3D_CORE_PODF (0x7 << 26) +#define BP_CBCMR_GPU3D_SHADER_PODF 29 +#define BM_CBCMR_GPU3D_SHADER_PODF (0x7 << 29) + +#define BP_CSCMR1_PERCLK_PODF 0 +#define BM_CSCMR1_PERCLK_PODF (0x3f << 0) +#define BP_CSCMR1_SSI1_SEL 10 +#define BM_CSCMR1_SSI1_SEL (0x3 << 10) +#define BP_CSCMR1_SSI2_SEL 12 +#define BM_CSCMR1_SSI2_SEL (0x3 << 12) +#define BP_CSCMR1_SSI3_SEL 14 +#define BM_CSCMR1_SSI3_SEL (0x3 << 14) +#define BP_CSCMR1_USDHC1_SEL 16 +#define BM_CSCMR1_USDHC1_SEL (0x1 << 16) +#define BP_CSCMR1_USDHC2_SEL 17 +#define BM_CSCMR1_USDHC2_SEL (0x1 << 17) +#define BP_CSCMR1_USDHC3_SEL 18 +#define BM_CSCMR1_USDHC3_SEL (0x1 << 18) +#define BP_CSCMR1_USDHC4_SEL 19 +#define BM_CSCMR1_USDHC4_SEL (0x1 << 19) +#define BP_CSCMR1_EMI_PODF 20 +#define BM_CSCMR1_EMI_PODF (0x7 << 20) +#define BP_CSCMR1_EMI_SLOW_PODF 23 +#define BM_CSCMR1_EMI_SLOW_PODF (0x7 << 23) +#define BP_CSCMR1_EMI_SEL 27 +#define BM_CSCMR1_EMI_SEL (0x3 << 27) +#define BP_CSCMR1_EMI_SLOW_SEL 29 +#define BM_CSCMR1_EMI_SLOW_SEL (0x3 << 29) + +#define BP_CSCMR2_CAN_PODF 2 +#define BM_CSCMR2_CAN_PODF (0x3f << 2) +#define BM_CSCMR2_LDB_DI0_IPU_DIV (0x1 << 10) +#define BM_CSCMR2_LDB_DI1_IPU_DIV (0x1 << 11) +#define BP_CSCMR2_ESAI_SEL 19 +#define BM_CSCMR2_ESAI_SEL (0x3 << 19) + +#define BP_CSCDR1_UART_PODF 0 +#define BM_CSCDR1_UART_PODF (0x3f << 0) +#define BP_CSCDR1_USDHC1_PODF 11 +#define BM_CSCDR1_USDHC1_PODF (0x7 << 11) +#define BP_CSCDR1_USDHC2_PODF 16 +#define BM_CSCDR1_USDHC2_PODF (0x7 << 16) +#define BP_CSCDR1_USDHC3_PODF 19 +#define BM_CSCDR1_USDHC3_PODF (0x7 << 19) +#define BP_CSCDR1_USDHC4_PODF 22 +#define BM_CSCDR1_USDHC4_PODF (0x7 << 22) +#define BP_CSCDR1_VPU_AXI_PODF 25 +#define BM_CSCDR1_VPU_AXI_PODF (0x7 << 25) + +#define BP_CS1CDR_SSI1_PODF 0 +#define BM_CS1CDR_SSI1_PODF (0x3f << 0) +#define BP_CS1CDR_SSI1_PRED 6 +#define BM_CS1CDR_SSI1_PRED (0x7 << 6) +#define BP_CS1CDR_ESAI_PRED 9 +#define BM_CS1CDR_ESAI_PRED (0x7 << 9) +#define BP_CS1CDR_SSI3_PODF 16 +#define BM_CS1CDR_SSI3_PODF (0x3f << 16) +#define BP_CS1CDR_SSI3_PRED 22 +#define BM_CS1CDR_SSI3_PRED (0x7 << 22) +#define BP_CS1CDR_ESAI_PODF 25 +#define BM_CS1CDR_ESAI_PODF (0x7 << 25) + +#define BP_CS2CDR_SSI2_PODF 0 +#define BM_CS2CDR_SSI2_PODF (0x3f << 0) +#define BP_CS2CDR_SSI2_PRED 6 +#define BM_CS2CDR_SSI2_PRED (0x7 << 6) +#define BP_CS2CDR_LDB_DI0_SEL 9 +#define BM_CS2CDR_LDB_DI0_SEL (0x7 << 9) +#define BP_CS2CDR_LDB_DI1_SEL 12 +#define BM_CS2CDR_LDB_DI1_SEL (0x7 << 12) +#define BP_CS2CDR_ENFC_SEL 16 +#define BM_CS2CDR_ENFC_SEL (0x3 << 16) +#define BP_CS2CDR_ENFC_PRED 18 +#define BM_CS2CDR_ENFC_PRED (0x7 << 18) +#define BP_CS2CDR_ENFC_PODF 21 +#define BM_CS2CDR_ENFC_PODF (0x3f << 21) + +#define BP_CDCDR_ASRC_SERIAL_SEL 7 +#define BM_CDCDR_ASRC_SERIAL_SEL (0x3 << 7) +#define BP_CDCDR_ASRC_SERIAL_PODF 9 +#define BM_CDCDR_ASRC_SERIAL_PODF (0x7 << 9) +#define BP_CDCDR_ASRC_SERIAL_PRED 12 +#define BM_CDCDR_ASRC_SERIAL_PRED (0x7 << 12) +#define BP_CDCDR_SPDIF_SEL 20 +#define BM_CDCDR_SPDIF_SEL (0x3 << 20) +#define BP_CDCDR_SPDIF_PODF 22 +#define BM_CDCDR_SPDIF_PODF (0x7 << 22) +#define BP_CDCDR_SPDIF_PRED 25 +#define BM_CDCDR_SPDIF_PRED (0x7 << 25) +#define BP_CDCDR_HSI_TX_PODF 29 +#define BM_CDCDR_HSI_TX_PODF (0x7 << 29) +#define BP_CDCDR_HSI_TX_SEL 28 +#define BM_CDCDR_HSI_TX_SEL (0x1 << 28) + +#define BP_CHSCCDR_IPU1_DI0_SEL 0 +#define BM_CHSCCDR_IPU1_DI0_SEL (0x7 << 0) +#define BP_CHSCCDR_IPU1_DI0_PRE_PODF 3 +#define BM_CHSCCDR_IPU1_DI0_PRE_PODF (0x7 << 3) +#define BP_CHSCCDR_IPU1_DI0_PRE_SEL 6 +#define BM_CHSCCDR_IPU1_DI0_PRE_SEL (0x7 << 6) +#define BP_CHSCCDR_IPU1_DI1_SEL 9 +#define BM_CHSCCDR_IPU1_DI1_SEL (0x7 << 9) +#define BP_CHSCCDR_IPU1_DI1_PRE_PODF 12 +#define BM_CHSCCDR_IPU1_DI1_PRE_PODF (0x7 << 12) +#define BP_CHSCCDR_IPU1_DI1_PRE_SEL 15 +#define BM_CHSCCDR_IPU1_DI1_PRE_SEL (0x7 << 15) + +#define BP_CSCDR2_IPU2_DI0_SEL 0 +#define BM_CSCDR2_IPU2_DI0_SEL (0x7) +#define BP_CSCDR2_IPU2_DI0_PRE_PODF 3 +#define BM_CSCDR2_IPU2_DI0_PRE_PODF (0x7 << 3) +#define BP_CSCDR2_IPU2_DI0_PRE_SEL 6 +#define BM_CSCDR2_IPU2_DI0_PRE_SEL (0x7 << 6) +#define BP_CSCDR2_IPU2_DI1_SEL 9 +#define BM_CSCDR2_IPU2_DI1_SEL (0x7 << 9) +#define BP_CSCDR2_IPU2_DI1_PRE_PODF 12 +#define BM_CSCDR2_IPU2_DI1_PRE_PODF (0x7 << 12) +#define BP_CSCDR2_IPU2_DI1_PRE_SEL 15 +#define BM_CSCDR2_IPU2_DI1_PRE_SEL (0x7 << 15) +#define BP_CSCDR2_ECSPI_CLK_PODF 19 +#define BM_CSCDR2_ECSPI_CLK_PODF (0x3f << 19) + +#define BP_CSCDR3_IPU1_HSP_SEL 9 +#define BM_CSCDR3_IPU1_HSP_SEL (0x3 << 9) +#define BP_CSCDR3_IPU1_HSP_PODF 11 +#define BM_CSCDR3_IPU1_HSP_PODF (0x7 << 11) +#define BP_CSCDR3_IPU2_HSP_SEL 14 +#define BM_CSCDR3_IPU2_HSP_SEL (0x3 << 14) +#define BP_CSCDR3_IPU2_HSP_PODF 16 +#define BM_CSCDR3_IPU2_HSP_PODF (0x7 << 16) + +#define BM_CDHIPR_AXI_PODF_BUSY (0x1 << 0) +#define BM_CDHIPR_AHB_PODF_BUSY (0x1 << 1) +#define BM_CDHIPR_MMDC_CH1_PODF_BUSY (0x1 << 2) +#define BM_CDHIPR_PERIPH2_SEL_BUSY (0x1 << 3) +#define BM_CDHIPR_MMDC_CH0_PODF_BUSY (0x1 << 4) +#define BM_CDHIPR_PERIPH_SEL_BUSY (0x1 << 5) +#define BM_CDHIPR_ARM_PODF_BUSY (0x1 << 16) + +#define BP_CLPCR_LPM 0 +#define BM_CLPCR_LPM (0x3 << 0) +#define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2) +#define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5) +#define BM_CLPCR_SBYOS (0x1 << 6) +#define BM_CLPCR_DIS_REF_OSC (0x1 << 7) +#define BM_CLPCR_VSTBY (0x1 << 8) +#define BP_CLPCR_STBY_COUNT 9 +#define BM_CLPCR_STBY_COUNT (0x3 << 9) +#define BM_CLPCR_COSC_PWRDOWN (0x1 << 11) +#define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16) +#define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17) +#define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19) +#define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21) +#define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22) +#define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23) +#define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24) +#define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25) +#define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26) +#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27) + +#define FREQ_480M 480000000 +#define FREQ_528M 528000000 +#define FREQ_594M 594000000 +#define FREQ_650M 650000000 +#define FREQ_1300M 1300000000 + +static struct clk pll1_sys; +static struct clk pll2_bus; +static struct clk pll3_usb_otg; +static struct clk pll4_audio; +static struct clk pll5_video; +static struct clk pll6_mlb; +static struct clk pll7_usb_host; +static struct clk pll8_enet; +static struct clk apbh_dma_clk; +static struct clk arm_clk; +static struct clk ipg_clk; +static struct clk ahb_clk; +static struct clk axi_clk; +static struct clk mmdc_ch0_axi_clk; +static struct clk mmdc_ch1_axi_clk; +static struct clk periph_clk; +static struct clk periph_pre_clk; +static struct clk periph_clk2_clk; +static struct clk periph2_clk; +static struct clk periph2_pre_clk; +static struct clk periph2_clk2_clk; +static struct clk gpu2d_core_clk; +static struct clk gpu3d_core_clk; +static struct clk gpu3d_shader_clk; +static struct clk ipg_perclk; +static struct clk emi_clk; +static struct clk emi_slow_clk; +static struct clk can1_clk; +static struct clk uart_clk; +static struct clk usdhc1_clk; +static struct clk usdhc2_clk; +static struct clk usdhc3_clk; +static struct clk usdhc4_clk; +static struct clk vpu_clk; +static struct clk hsi_tx_clk; +static struct clk ipu1_di0_pre_clk; +static struct clk ipu1_di1_pre_clk; +static struct clk ipu2_di0_pre_clk; +static struct clk ipu2_di1_pre_clk; +static struct clk ipu1_clk; +static struct clk ipu2_clk; +static struct clk ssi1_clk; +static struct clk ssi3_clk; +static struct clk esai_clk; +static struct clk ssi2_clk; +static struct clk spdif_clk; +static struct clk asrc_serial_clk; +static struct clk gpu2d_axi_clk; +static struct clk gpu3d_axi_clk; +static struct clk pcie_clk; +static struct clk vdo_axi_clk; +static struct clk ldb_di0_clk; +static struct clk ldb_di1_clk; +static struct clk ipu1_di0_clk; +static struct clk ipu1_di1_clk; +static struct clk ipu2_di0_clk; +static struct clk ipu2_di1_clk; +static struct clk enfc_clk; +static struct clk dummy_clk = {}; + +static unsigned long external_high_reference; +static unsigned long external_low_reference; +static unsigned long oscillator_reference; + +static unsigned long get_oscillator_reference_clock_rate(struct clk *clk) +{ + return oscillator_reference; +} + +static unsigned long get_high_reference_clock_rate(struct clk *clk) +{ + return external_high_reference; +} + +static unsigned long get_low_reference_clock_rate(struct clk *clk) +{ + return external_low_reference; +} + +static struct clk ckil_clk = { + .get_rate = get_low_reference_clock_rate, +}; + +static struct clk ckih_clk = { + .get_rate = get_high_reference_clock_rate, +}; + +static struct clk osc_clk = { + .get_rate = get_oscillator_reference_clock_rate, +}; + +static inline void __iomem *pll_get_reg_addr(struct clk *pll) +{ + if (pll == &pll1_sys) + return PLL1_SYS; + else if (pll == &pll2_bus) + return PLL2_BUS; + else if (pll == &pll3_usb_otg) + return PLL3_USB_OTG; + else if (pll == &pll4_audio) + return PLL4_AUDIO; + else if (pll == &pll5_video) + return PLL5_VIDEO; + else if (pll == &pll6_mlb) + return PLL6_MLB; + else if (pll == &pll7_usb_host) + return PLL7_USB_HOST; + else if (pll == &pll8_enet) + return PLL8_ENET; + else + BUG(); + + return NULL; +} + +static int pll_enable(struct clk *clk) +{ + int timeout = 0x100000; + void __iomem *reg; + u32 val; + + reg = pll_get_reg_addr(clk); + val = readl_relaxed(reg); + val &= ~BM_PLL_BYPASS; + val &= ~BM_PLL_POWER_DOWN; + /* 480MHz PLLs have the opposite definition for power bit */ + if (clk == &pll3_usb_otg || clk == &pll7_usb_host) + val |= BM_PLL_POWER_DOWN; + writel_relaxed(val, reg); + + /* Wait for PLL to lock */ + while (!(readl_relaxed(reg) & BM_PLL_LOCK) && --timeout) + cpu_relax(); + + if (unlikely(!timeout)) + return -EBUSY; + + /* Enable the PLL output now */ + val = readl_relaxed(reg); + val |= BM_PLL_ENABLE; + writel_relaxed(val, reg); + + return 0; +} + +static void pll_disable(struct clk *clk) +{ + void __iomem *reg; + u32 val; + + reg = pll_get_reg_addr(clk); + val = readl_relaxed(reg); + val &= ~BM_PLL_ENABLE; + val |= BM_PLL_BYPASS; + val |= BM_PLL_POWER_DOWN; + if (clk == &pll3_usb_otg || clk == &pll7_usb_host) + val &= ~BM_PLL_POWER_DOWN; + writel_relaxed(val, reg); +} + +static unsigned long pll1_sys_get_rate(struct clk *clk) +{ + u32 div = (readl_relaxed(PLL1_SYS) & BM_PLL_SYS_DIV_SELECT) >> + BP_PLL_SYS_DIV_SELECT; + + return clk_get_rate(clk->parent) * div / 2; +} + +static int pll1_sys_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val, div; + + if (rate < FREQ_650M || rate > FREQ_1300M) + return -EINVAL; + + div = rate * 2 / clk_get_rate(clk->parent); + val = readl_relaxed(PLL1_SYS); + val &= ~BM_PLL_SYS_DIV_SELECT; + val |= div << BP_PLL_SYS_DIV_SELECT; + writel_relaxed(val, PLL1_SYS); + + return 0; +} + +static unsigned long pll8_enet_get_rate(struct clk *clk) +{ + u32 div = (readl_relaxed(PLL8_ENET) & BM_PLL_ENET_DIV_SELECT) >> + BP_PLL_ENET_DIV_SELECT; + + switch (div) { + case 0: + return 25000000; + case 1: + return 50000000; + case 2: + return 100000000; + case 3: + return 125000000; + } + + return 0; +} + +static int pll8_enet_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val, div; + + switch (rate) { + case 25000000: + div = 0; + break; + case 50000000: + div = 1; + break; + case 100000000: + div = 2; + break; + case 125000000: + div = 3; + break; + default: + return -EINVAL; + } + + val = readl_relaxed(PLL8_ENET); + val &= ~BM_PLL_ENET_DIV_SELECT; + val |= div << BP_PLL_ENET_DIV_SELECT; + writel_relaxed(val, PLL8_ENET); + + return 0; +} + +static unsigned long pll_av_get_rate(struct clk *clk) +{ + void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO; + unsigned long parent_rate = clk_get_rate(clk->parent); + u32 mfn = readl_relaxed(reg + PLL_NUM_OFFSET); + u32 mfd = readl_relaxed(reg + PLL_DENOM_OFFSET); + u32 div = (readl_relaxed(reg) & BM_PLL_AV_DIV_SELECT) >> + BP_PLL_AV_DIV_SELECT; + + return (parent_rate * div) + ((parent_rate / mfd) * mfn); +} + +static int pll_av_set_rate(struct clk *clk, unsigned long rate) +{ + void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO; + unsigned int parent_rate = clk_get_rate(clk->parent); + u32 val, div; + u32 mfn, mfd = 1000000; + s64 temp64; + + if (rate < FREQ_650M || rate > FREQ_1300M) + return -EINVAL; + + div = rate / parent_rate; + temp64 = (u64) (rate - div * parent_rate); + temp64 *= mfd; + do_div(temp64, parent_rate); + mfn = temp64; + + val = readl_relaxed(reg); + val &= ~BM_PLL_AV_DIV_SELECT; + val |= div << BP_PLL_AV_DIV_SELECT; + writel_relaxed(val, reg); + writel_relaxed(mfn, reg + PLL_NUM_OFFSET); + writel_relaxed(mfd, reg + PLL_DENOM_OFFSET); + + return 0; +} + +static void __iomem *pll_get_div_reg_bit(struct clk *clk, u32 *bp, u32 *bm) +{ + void __iomem *reg; + + if (clk == &pll2_bus) { + reg = PLL2_BUS; + *bp = BP_PLL_BUS_DIV_SELECT; + *bm = BM_PLL_BUS_DIV_SELECT; + } else if (clk == &pll3_usb_otg) { + reg = PLL3_USB_OTG; + *bp = BP_PLL_USB_DIV_SELECT; + *bm = BM_PLL_USB_DIV_SELECT; + } else if (clk == &pll7_usb_host) { + reg = PLL7_USB_HOST; + *bp = BP_PLL_USB_DIV_SELECT; + *bm = BM_PLL_USB_DIV_SELECT; + } else { + BUG(); + } + + return reg; +} + +static unsigned long pll_get_rate(struct clk *clk) +{ + void __iomem *reg; + u32 div, bp, bm; + + reg = pll_get_div_reg_bit(clk, &bp, &bm); + div = (readl_relaxed(reg) & bm) >> bp; + + return (div == 1) ? clk_get_rate(clk->parent) * 22 : + clk_get_rate(clk->parent) * 20; +} + +static int pll_set_rate(struct clk *clk, unsigned long rate) +{ + void __iomem *reg; + u32 val, div, bp, bm; + + if (rate == FREQ_528M) + div = 1; + else if (rate == FREQ_480M) + div = 0; + else + return -EINVAL; + + reg = pll_get_div_reg_bit(clk, &bp, &bm); + val = readl_relaxed(reg); + val &= ~bm; + val |= div << bp; + writel_relaxed(val, reg); + + return 0; +} + +#define pll2_bus_get_rate pll_get_rate +#define pll2_bus_set_rate pll_set_rate +#define pll3_usb_otg_get_rate pll_get_rate +#define pll3_usb_otg_set_rate pll_set_rate +#define pll7_usb_host_get_rate pll_get_rate +#define pll7_usb_host_set_rate pll_set_rate +#define pll4_audio_get_rate pll_av_get_rate +#define pll4_audio_set_rate pll_av_set_rate +#define pll5_video_get_rate pll_av_get_rate +#define pll5_video_set_rate pll_av_set_rate +#define pll6_mlb_get_rate NULL +#define pll6_mlb_set_rate NULL + +#define DEF_PLL(name) \ + static struct clk name = { \ + .enable = pll_enable, \ + .disable = pll_disable, \ + .get_rate = name##_get_rate, \ + .set_rate = name##_set_rate, \ + .parent = &osc_clk, \ + } + +DEF_PLL(pll1_sys); +DEF_PLL(pll2_bus); +DEF_PLL(pll3_usb_otg); +DEF_PLL(pll4_audio); +DEF_PLL(pll5_video); +DEF_PLL(pll6_mlb); +DEF_PLL(pll7_usb_host); +DEF_PLL(pll8_enet); + +static unsigned long pfd_get_rate(struct clk *clk) +{ + u64 tmp = (u64) clk_get_rate(clk->parent) * 18; + u32 frac, bp_frac; + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.enable(&apbh_dma_clk); + + bp_frac = clk->enable_shift - 7; + frac = readl_relaxed(clk->enable_reg) >> bp_frac & PFD_FRAC_MASK; + do_div(tmp, frac); + + return tmp; +} + +static int pfd_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val, frac, bp_frac; + u64 tmp = (u64) clk_get_rate(clk->parent) * 18; + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.enable(&apbh_dma_clk); + + /* + * Round up the divider so that we don't set a rate + * higher than what is requested + */ + tmp += rate / 2; + do_div(tmp, rate); + frac = tmp; + frac = (frac < 12) ? 12 : frac; + frac = (frac > 35) ? 35 : frac; + + /* + * The frac field always starts from 7 bits lower + * position of enable bit + */ + bp_frac = clk->enable_shift - 7; + val = readl_relaxed(clk->enable_reg); + val &= ~(PFD_FRAC_MASK << bp_frac); + val |= frac << bp_frac; + writel_relaxed(val, clk->enable_reg); + + tmp = (u64) clk_get_rate(clk->parent) * 18; + do_div(tmp, frac); + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.disable(&apbh_dma_clk); + + return 0; +} + +static unsigned long pfd_round_rate(struct clk *clk, unsigned long rate) +{ + u32 frac; + u64 tmp; + + tmp = (u64) clk_get_rate(clk->parent) * 18; + tmp += rate / 2; + do_div(tmp, rate); + frac = tmp; + frac = (frac < 12) ? 12 : frac; + frac = (frac > 35) ? 35 : frac; + tmp = (u64) clk_get_rate(clk->parent) * 18; + do_div(tmp, frac); + + return tmp; +} + +static int pfd_enable(struct clk *clk) +{ + u32 val; + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.enable(&apbh_dma_clk); + + val = readl_relaxed(clk->enable_reg); + val &= ~(1 << clk->enable_shift); + writel_relaxed(val, clk->enable_reg); + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.disable(&apbh_dma_clk); + + return 0; +} + +static void pfd_disable(struct clk *clk) +{ + u32 val; + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.enable(&apbh_dma_clk); + + val = readl_relaxed(clk->enable_reg); + val |= 1 << clk->enable_shift; + writel_relaxed(val, clk->enable_reg); + + if (apbh_dma_clk.usecount == 0) + apbh_dma_clk.disable(&apbh_dma_clk); +} + +#define DEF_PFD(name, er, es, p) \ + static struct clk name = { \ + .enable_reg = er, \ + .enable_shift = es, \ + .enable = pfd_enable, \ + .disable = pfd_disable, \ + .get_rate = pfd_get_rate, \ + .set_rate = pfd_set_rate, \ + .round_rate = pfd_round_rate, \ + .parent = p, \ + } + +DEF_PFD(pll2_pfd_352m, PFD_528, PFD0, &pll2_bus); +DEF_PFD(pll2_pfd_594m, PFD_528, PFD1, &pll2_bus); +DEF_PFD(pll2_pfd_400m, PFD_528, PFD2, &pll2_bus); +DEF_PFD(pll3_pfd_720m, PFD_480, PFD0, &pll3_usb_otg); +DEF_PFD(pll3_pfd_540m, PFD_480, PFD1, &pll3_usb_otg); +DEF_PFD(pll3_pfd_508m, PFD_480, PFD2, &pll3_usb_otg); +DEF_PFD(pll3_pfd_454m, PFD_480, PFD3, &pll3_usb_otg); + +static unsigned long pll2_200m_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 2; +} + +static struct clk pll2_200m = { + .parent = &pll2_pfd_400m, + .get_rate = pll2_200m_get_rate, +}; + +static unsigned long pll3_120m_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 4; +} + +static struct clk pll3_120m = { + .parent = &pll3_usb_otg, + .get_rate = pll3_120m_get_rate, +}; + +static unsigned long pll3_80m_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 6; +} + +static struct clk pll3_80m = { + .parent = &pll3_usb_otg, + .get_rate = pll3_80m_get_rate, +}; + +static unsigned long pll3_60m_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 8; +} + +static struct clk pll3_60m = { + .parent = &pll3_usb_otg, + .get_rate = pll3_60m_get_rate, +}; + +static int pll1_sw_clk_set_parent(struct clk *clk, struct clk *parent) +{ + u32 val = readl_relaxed(CCSR); + + if (parent == &pll1_sys) { + val &= ~BM_CCSR_PLL1_SW_SEL; + val &= ~BM_CCSR_STEP_SEL; + } else if (parent == &osc_clk) { + val |= BM_CCSR_PLL1_SW_SEL; + val &= ~BM_CCSR_STEP_SEL; + } else if (parent == &pll2_pfd_400m) { + val |= BM_CCSR_PLL1_SW_SEL; + val |= BM_CCSR_STEP_SEL; + } else { + return -EINVAL; + } + + writel_relaxed(val, CCSR); + + return 0; +} + +static struct clk pll1_sw_clk = { + .parent = &pll1_sys, + .set_parent = pll1_sw_clk_set_parent, +}; + +static void calc_pred_podf_dividers(u32 div, u32 *pred, u32 *podf) +{ + u32 min_pred, temp_pred, old_err, err; + + if (div >= 512) { + *pred = 8; + *podf = 64; + } else if (div >= 8) { + min_pred = (div - 1) / 64 + 1; + old_err = 8; + for (temp_pred = 8; temp_pred >= min_pred; temp_pred--) { + err = div % temp_pred; + if (err == 0) { + *pred = temp_pred; + break; + } + err = temp_pred - err; + if (err < old_err) { + old_err = err; + *pred = temp_pred; + } + } + *podf = (div + *pred - 1) / *pred; + } else if (div < 8) { + *pred = div; + *podf = 1; + } +} + +static int _clk_enable(struct clk *clk) +{ + u32 reg; + reg = readl_relaxed(clk->enable_reg); + reg |= 0x3 << clk->enable_shift; + writel_relaxed(reg, clk->enable_reg); + + return 0; +} + +static void _clk_disable(struct clk *clk) +{ + u32 reg; + reg = readl_relaxed(clk->enable_reg); + reg &= ~(0x3 << clk->enable_shift); + writel_relaxed(reg, clk->enable_reg); +} + +struct divider { + struct clk *clk; + void __iomem *reg; + u32 bp_pred; + u32 bm_pred; + u32 bp_podf; + u32 bm_podf; +}; + +#define DEF_CLK_DIV1(d, c, r, b) \ + static struct divider d = { \ + .clk = c, \ + .reg = r, \ + .bp_podf = BP_##r##_##b##_PODF, \ + .bm_podf = BM_##r##_##b##_PODF, \ + } + +DEF_CLK_DIV1(arm_div, &arm_clk, CACRR, ARM); +DEF_CLK_DIV1(ipg_div, &ipg_clk, CBCDR, IPG); +DEF_CLK_DIV1(ahb_div, &ahb_clk, CBCDR, AHB); +DEF_CLK_DIV1(axi_div, &axi_clk, CBCDR, AXI); +DEF_CLK_DIV1(mmdc_ch0_axi_div, &mmdc_ch0_axi_clk, CBCDR, MMDC_CH0_AXI); +DEF_CLK_DIV1(mmdc_ch1_axi_div, &mmdc_ch1_axi_clk, CBCDR, MMDC_CH1_AXI); +DEF_CLK_DIV1(periph_clk2_div, &periph_clk2_clk, CBCDR, PERIPH_CLK2); +DEF_CLK_DIV1(periph2_clk2_div, &periph2_clk2_clk, CBCDR, PERIPH2_CLK2); +DEF_CLK_DIV1(gpu2d_core_div, &gpu2d_core_clk, CBCMR, GPU2D_CORE); +DEF_CLK_DIV1(gpu3d_core_div, &gpu3d_core_clk, CBCMR, GPU3D_CORE); +DEF_CLK_DIV1(gpu3d_shader_div, &gpu3d_shader_clk, CBCMR, GPU3D_SHADER); +DEF_CLK_DIV1(ipg_perclk_div, &ipg_perclk, CSCMR1, PERCLK); +DEF_CLK_DIV1(emi_div, &emi_clk, CSCMR1, EMI); +DEF_CLK_DIV1(emi_slow_div, &emi_slow_clk, CSCMR1, EMI_SLOW); +DEF_CLK_DIV1(can_div, &can1_clk, CSCMR2, CAN); +DEF_CLK_DIV1(uart_div, &uart_clk, CSCDR1, UART); +DEF_CLK_DIV1(usdhc1_div, &usdhc1_clk, CSCDR1, USDHC1); +DEF_CLK_DIV1(usdhc2_div, &usdhc2_clk, CSCDR1, USDHC2); +DEF_CLK_DIV1(usdhc3_div, &usdhc3_clk, CSCDR1, USDHC3); +DEF_CLK_DIV1(usdhc4_div, &usdhc4_clk, CSCDR1, USDHC4); +DEF_CLK_DIV1(vpu_div, &vpu_clk, CSCDR1, VPU_AXI); +DEF_CLK_DIV1(hsi_tx_div, &hsi_tx_clk, CDCDR, HSI_TX); +DEF_CLK_DIV1(ipu1_di0_pre_div, &ipu1_di0_pre_clk, CHSCCDR, IPU1_DI0_PRE); +DEF_CLK_DIV1(ipu1_di1_pre_div, &ipu1_di1_pre_clk, CHSCCDR, IPU1_DI1_PRE); +DEF_CLK_DIV1(ipu2_di0_pre_div, &ipu2_di0_pre_clk, CSCDR2, IPU2_DI0_PRE); +DEF_CLK_DIV1(ipu2_di1_pre_div, &ipu2_di1_pre_clk, CSCDR2, IPU2_DI1_PRE); +DEF_CLK_DIV1(ipu1_div, &ipu1_clk, CSCDR3, IPU1_HSP); +DEF_CLK_DIV1(ipu2_div, &ipu2_clk, CSCDR3, IPU2_HSP); + +#define DEF_CLK_DIV2(d, c, r, b) \ + static struct divider d = { \ + .clk = c, \ + .reg = r, \ + .bp_pred = BP_##r##_##b##_PRED, \ + .bm_pred = BM_##r##_##b##_PRED, \ + .bp_podf = BP_##r##_##b##_PODF, \ + .bm_podf = BM_##r##_##b##_PODF, \ + } + +DEF_CLK_DIV2(ssi1_div, &ssi1_clk, CS1CDR, SSI1); +DEF_CLK_DIV2(ssi3_div, &ssi3_clk, CS1CDR, SSI3); +DEF_CLK_DIV2(esai_div, &esai_clk, CS1CDR, ESAI); +DEF_CLK_DIV2(ssi2_div, &ssi2_clk, CS2CDR, SSI2); +DEF_CLK_DIV2(enfc_div, &enfc_clk, CS2CDR, ENFC); +DEF_CLK_DIV2(spdif_div, &spdif_clk, CDCDR, SPDIF); +DEF_CLK_DIV2(asrc_serial_div, &asrc_serial_clk, CDCDR, ASRC_SERIAL); + +static struct divider *dividers[] = { + &arm_div, + &ipg_div, + &ahb_div, + &axi_div, + &mmdc_ch0_axi_div, + &mmdc_ch1_axi_div, + &periph_clk2_div, + &periph2_clk2_div, + &gpu2d_core_div, + &gpu3d_core_div, + &gpu3d_shader_div, + &ipg_perclk_div, + &emi_div, + &emi_slow_div, + &can_div, + &uart_div, + &usdhc1_div, + &usdhc2_div, + &usdhc3_div, + &usdhc4_div, + &vpu_div, + &hsi_tx_div, + &ipu1_di0_pre_div, + &ipu1_di1_pre_div, + &ipu2_di0_pre_div, + &ipu2_di1_pre_div, + &ipu1_div, + &ipu2_div, + &ssi1_div, + &ssi3_div, + &esai_div, + &ssi2_div, + &enfc_div, + &spdif_div, + &asrc_serial_div, +}; + +static unsigned long ldb_di_clk_get_rate(struct clk *clk) +{ + u32 val = readl_relaxed(CSCMR2); + + val &= (clk == &ldb_di0_clk) ? BM_CSCMR2_LDB_DI0_IPU_DIV : + BM_CSCMR2_LDB_DI1_IPU_DIV; + if (val) + return clk_get_rate(clk->parent) / 7; + else + return clk_get_rate(clk->parent) * 2 / 7; +} + +static int ldb_di_clk_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + u32 val = readl_relaxed(CSCMR2); + + if (rate * 7 <= parent_rate + parent_rate / 20) + val |= BM_CSCMR2_LDB_DI0_IPU_DIV; + else + val &= ~BM_CSCMR2_LDB_DI0_IPU_DIV; + + writel_relaxed(val, CSCMR2); + + return 0; +} + +static unsigned long ldb_di_clk_round_rate(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + + if (rate * 7 <= parent_rate + parent_rate / 20) + return parent_rate / 7; + else + return 2 * parent_rate / 7; +} + +static unsigned long _clk_get_rate(struct clk *clk) +{ + struct divider *d; + u32 val, pred, podf; + int i, num; + + if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) + return ldb_di_clk_get_rate(clk); + + num = ARRAY_SIZE(dividers); + for (i = 0; i < num; i++) + if (dividers[i]->clk == clk) { + d = dividers[i]; + break; + } + if (i == num) + return clk_get_rate(clk->parent); + + val = readl_relaxed(d->reg); + pred = ((val & d->bm_pred) >> d->bp_pred) + 1; + podf = ((val & d->bm_podf) >> d->bp_podf) + 1; + + return clk_get_rate(clk->parent) / (pred * podf); +} + +static int clk_busy_wait(struct clk *clk) +{ + int timeout = 0x100000; + u32 bm; + + if (clk == &axi_clk) + bm = BM_CDHIPR_AXI_PODF_BUSY; + else if (clk == &ahb_clk) + bm = BM_CDHIPR_AHB_PODF_BUSY; + else if (clk == &mmdc_ch0_axi_clk) + bm = BM_CDHIPR_MMDC_CH0_PODF_BUSY; + else if (clk == &periph_clk) + bm = BM_CDHIPR_PERIPH_SEL_BUSY; + else if (clk == &arm_clk) + bm = BM_CDHIPR_ARM_PODF_BUSY; + else + return -EINVAL; + + while ((readl_relaxed(CDHIPR) & bm) && --timeout) + cpu_relax(); + + if (unlikely(!timeout)) + return -EBUSY; + + return 0; +} + +static int _clk_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + struct divider *d; + u32 val, div, max_div, pred = 0, podf; + int i, num; + + if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) + return ldb_di_clk_set_rate(clk, rate); + + num = ARRAY_SIZE(dividers); + for (i = 0; i < num; i++) + if (dividers[i]->clk == clk) { + d = dividers[i]; + break; + } + if (i == num) + return -EINVAL; + + max_div = ((d->bm_pred >> d->bp_pred) + 1) * + ((d->bm_pred >> d->bp_pred) + 1); + + div = parent_rate / rate; + if (div == 0) + div++; + + if ((parent_rate / div != rate) || div > max_div) + return -EINVAL; + + if (d->bm_pred) { + calc_pred_podf_dividers(div, &pred, &podf); + } else { + pred = 1; + podf = div; + } + + val = readl_relaxed(d->reg); + val &= ~(d->bm_pred | d->bm_podf); + val |= (pred - 1) << d->bp_pred | (podf - 1) << d->bp_podf; + writel_relaxed(val, d->reg); + + if (clk == &axi_clk || clk == &ahb_clk || + clk == &mmdc_ch0_axi_clk || clk == &arm_clk) + return clk_busy_wait(clk); + + return 0; +} + +static unsigned long _clk_round_rate(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + u32 div = parent_rate / rate; + u32 div_max, pred = 0, podf; + struct divider *d; + int i, num; + + if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) + return ldb_di_clk_round_rate(clk, rate); + + num = ARRAY_SIZE(dividers); + for (i = 0; i < num; i++) + if (dividers[i]->clk == clk) { + d = dividers[i]; + break; + } + if (i == num) + return -EINVAL; + + if (div == 0 || parent_rate % rate) + div++; + + if (d->bm_pred) { + calc_pred_podf_dividers(div, &pred, &podf); + div = pred * podf; + } else { + div_max = (d->bm_podf >> d->bp_podf) + 1; + if (div > div_max) + div = div_max; + } + + return parent_rate / div; +} + +struct multiplexer { + struct clk *clk; + void __iomem *reg; + u32 bp; + u32 bm; + int pnum; + struct clk *parents[]; +}; + +static struct multiplexer axi_mux = { + .clk = &axi_clk, + .reg = CBCDR, + .bp = BP_CBCDR_AXI_SEL, + .bm = BM_CBCDR_AXI_SEL, + .parents = { + &periph_clk, + &pll2_pfd_400m, + &pll3_pfd_540m, + NULL + }, +}; + +static struct multiplexer periph_mux = { + .clk = &periph_clk, + .reg = CBCDR, + .bp = BP_CBCDR_PERIPH_CLK_SEL, + .bm = BM_CBCDR_PERIPH_CLK_SEL, + .parents = { + &periph_pre_clk, + &periph_clk2_clk, + NULL + }, +}; + +static struct multiplexer periph_pre_mux = { + .clk = &periph_pre_clk, + .reg = CBCMR, + .bp = BP_CBCMR_PRE_PERIPH_CLK_SEL, + .bm = BM_CBCMR_PRE_PERIPH_CLK_SEL, + .parents = { + &pll2_bus, + &pll2_pfd_400m, + &pll2_pfd_352m, + &pll2_200m, + NULL + }, +}; + +static struct multiplexer periph_clk2_mux = { + .clk = &periph_clk2_clk, + .reg = CBCMR, + .bp = BP_CBCMR_PERIPH_CLK2_SEL, + .bm = BM_CBCMR_PERIPH_CLK2_SEL, + .parents = { + &pll3_usb_otg, + &osc_clk, + NULL + }, +}; + +static struct multiplexer periph2_mux = { + .clk = &periph2_clk, + .reg = CBCDR, + .bp = BP_CBCDR_PERIPH2_CLK_SEL, + .bm = BM_CBCDR_PERIPH2_CLK_SEL, + .parents = { + &periph2_pre_clk, + &periph2_clk2_clk, + NULL + }, +}; + +static struct multiplexer periph2_pre_mux = { + .clk = &periph2_pre_clk, + .reg = CBCMR, + .bp = BP_CBCMR_PRE_PERIPH2_CLK_SEL, + .bm = BM_CBCMR_PRE_PERIPH2_CLK_SEL, + .parents = { + &pll2_bus, + &pll2_pfd_400m, + &pll2_pfd_352m, + &pll2_200m, + NULL + }, +}; + +static struct multiplexer periph2_clk2_mux = { + .clk = &periph2_clk2_clk, + .reg = CBCMR, + .bp = BP_CBCMR_PERIPH2_CLK2_SEL, + .bm = BM_CBCMR_PERIPH2_CLK2_SEL, + .parents = { + &pll3_usb_otg, + &osc_clk, + NULL + }, +}; + +static struct multiplexer gpu2d_axi_mux = { + .clk = &gpu2d_axi_clk, + .reg = CBCMR, + .bp = BP_CBCMR_GPU2D_AXI_SEL, + .bm = BM_CBCMR_GPU2D_AXI_SEL, + .parents = { + &axi_clk, + &ahb_clk, + NULL + }, +}; + +static struct multiplexer gpu3d_axi_mux = { + .clk = &gpu3d_axi_clk, + .reg = CBCMR, + .bp = BP_CBCMR_GPU3D_AXI_SEL, + .bm = BM_CBCMR_GPU3D_AXI_SEL, + .parents = { + &axi_clk, + &ahb_clk, + NULL + }, +}; + +static struct multiplexer gpu3d_core_mux = { + .clk = &gpu3d_core_clk, + .reg = CBCMR, + .bp = BP_CBCMR_GPU3D_CORE_SEL, + .bm = BM_CBCMR_GPU3D_CORE_SEL, + .parents = { + &mmdc_ch0_axi_clk, + &pll3_usb_otg, + &pll2_pfd_594m, + &pll2_pfd_400m, + NULL + }, +}; + +static struct multiplexer gpu3d_shader_mux = { + .clk = &gpu3d_shader_clk, + .reg = CBCMR, + .bp = BP_CBCMR_GPU3D_SHADER_SEL, + .bm = BM_CBCMR_GPU3D_SHADER_SEL, + .parents = { + &mmdc_ch0_axi_clk, + &pll3_usb_otg, + &pll2_pfd_594m, + &pll3_pfd_720m, + NULL + }, +}; + +static struct multiplexer pcie_axi_mux = { + .clk = &pcie_clk, + .reg = CBCMR, + .bp = BP_CBCMR_PCIE_AXI_SEL, + .bm = BM_CBCMR_PCIE_AXI_SEL, + .parents = { + &axi_clk, + &ahb_clk, + NULL + }, +}; + +static struct multiplexer vdo_axi_mux = { + .clk = &vdo_axi_clk, + .reg = CBCMR, + .bp = BP_CBCMR_VDO_AXI_SEL, + .bm = BM_CBCMR_VDO_AXI_SEL, + .parents = { + &axi_clk, + &ahb_clk, + NULL + }, +}; + +static struct multiplexer vpu_axi_mux = { + .clk = &vpu_clk, + .reg = CBCMR, + .bp = BP_CBCMR_VPU_AXI_SEL, + .bm = BM_CBCMR_VPU_AXI_SEL, + .parents = { + &axi_clk, + &pll2_pfd_400m, + &pll2_pfd_352m, + NULL + }, +}; + +static struct multiplexer gpu2d_core_mux = { + .clk = &gpu2d_core_clk, + .reg = CBCMR, + .bp = BP_CBCMR_GPU2D_CORE_SEL, + .bm = BM_CBCMR_GPU2D_CORE_SEL, + .parents = { + &axi_clk, + &pll3_usb_otg, + &pll2_pfd_352m, + &pll2_pfd_400m, + NULL + }, +}; + +#define DEF_SSI_MUX(id) \ + static struct multiplexer ssi##id##_mux = { \ + .clk = &ssi##id##_clk, \ + .reg = CSCMR1, \ + .bp = BP_CSCMR1_SSI##id##_SEL, \ + .bm = BM_CSCMR1_SSI##id##_SEL, \ + .parents = { \ + &pll3_pfd_508m, \ + &pll3_pfd_454m, \ + &pll4_audio, \ + NULL \ + }, \ + } + +DEF_SSI_MUX(1); +DEF_SSI_MUX(2); +DEF_SSI_MUX(3); + +#define DEF_USDHC_MUX(id) \ + static struct multiplexer usdhc##id##_mux = { \ + .clk = &usdhc##id##_clk, \ + .reg = CSCMR1, \ + .bp = BP_CSCMR1_USDHC##id##_SEL, \ + .bm = BM_CSCMR1_USDHC##id##_SEL, \ + .parents = { \ + &pll2_pfd_400m, \ + &pll2_pfd_352m, \ + NULL \ + }, \ + } + +DEF_USDHC_MUX(1); +DEF_USDHC_MUX(2); +DEF_USDHC_MUX(3); +DEF_USDHC_MUX(4); + +static struct multiplexer emi_mux = { + .clk = &emi_clk, + .reg = CSCMR1, + .bp = BP_CSCMR1_EMI_SEL, + .bm = BM_CSCMR1_EMI_SEL, + .parents = { + &axi_clk, + &pll3_usb_otg, + &pll2_pfd_400m, + &pll2_pfd_352m, + NULL + }, +}; + +static struct multiplexer emi_slow_mux = { + .clk = &emi_slow_clk, + .reg = CSCMR1, + .bp = BP_CSCMR1_EMI_SLOW_SEL, + .bm = BM_CSCMR1_EMI_SLOW_SEL, + .parents = { + &axi_clk, + &pll3_usb_otg, + &pll2_pfd_400m, + &pll2_pfd_352m, + NULL + }, +}; + +static struct multiplexer esai_mux = { + .clk = &esai_clk, + .reg = CSCMR2, + .bp = BP_CSCMR2_ESAI_SEL, + .bm = BM_CSCMR2_ESAI_SEL, + .parents = { + &pll4_audio, + &pll3_pfd_508m, + &pll3_pfd_454m, + &pll3_usb_otg, + NULL + }, +}; + +#define DEF_LDB_DI_MUX(id) \ + static struct multiplexer ldb_di##id##_mux = { \ + .clk = &ldb_di##id##_clk, \ + .reg = CS2CDR, \ + .bp = BP_CS2CDR_LDB_DI##id##_SEL, \ + .bm = BM_CS2CDR_LDB_DI##id##_SEL, \ + .parents = { \ + &pll5_video, \ + &pll2_pfd_352m, \ + &pll2_pfd_400m, \ + &pll3_pfd_540m, \ + &pll3_usb_otg, \ + NULL \ + }, \ + } + +DEF_LDB_DI_MUX(0); +DEF_LDB_DI_MUX(1); + +static struct multiplexer enfc_mux = { + .clk = &enfc_clk, + .reg = CS2CDR, + .bp = BP_CS2CDR_ENFC_SEL, + .bm = BM_CS2CDR_ENFC_SEL, + .parents = { + &pll2_pfd_352m, + &pll2_bus, + &pll3_usb_otg, + &pll2_pfd_400m, + NULL + }, +}; + +static struct multiplexer spdif_mux = { + .clk = &spdif_clk, + .reg = CDCDR, + .bp = BP_CDCDR_SPDIF_SEL, + .bm = BM_CDCDR_SPDIF_SEL, + .parents = { + &pll4_audio, + &pll3_pfd_508m, + &pll3_pfd_454m, + &pll3_usb_otg, + NULL + }, +}; + +static struct multiplexer asrc_serial_mux = { + .clk = &asrc_serial_clk, + .reg = CDCDR, + .bp = BP_CDCDR_ASRC_SERIAL_SEL, + .bm = BM_CDCDR_ASRC_SERIAL_SEL, + .parents = { + &pll4_audio, + &pll3_pfd_508m, + &pll3_pfd_454m, + &pll3_usb_otg, + NULL + }, +}; + +static struct multiplexer hsi_tx_mux = { + .clk = &hsi_tx_clk, + .reg = CDCDR, + .bp = BP_CDCDR_HSI_TX_SEL, + .bm = BM_CDCDR_HSI_TX_SEL, + .parents = { + &pll3_120m, + &pll2_pfd_400m, + NULL + }, +}; + +#define DEF_IPU_DI_PRE_MUX(r, i, d) \ + static struct multiplexer ipu##i##_di##d##_pre_mux = { \ + .clk = &ipu##i##_di##d##_pre_clk, \ + .reg = r, \ + .bp = BP_##r##_IPU##i##_DI##d##_PRE_SEL, \ + .bm = BM_##r##_IPU##i##_DI##d##_PRE_SEL, \ + .parents = { \ + &mmdc_ch0_axi_clk, \ + &pll3_usb_otg, \ + &pll5_video, \ + &pll2_pfd_352m, \ + &pll2_pfd_400m, \ + &pll3_pfd_540m, \ + NULL \ + }, \ + } + +DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 0); +DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 1); +DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 0); +DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 1); + +#define DEF_IPU_DI_MUX(r, i, d) \ + static struct multiplexer ipu##i##_di##d##_mux = { \ + .clk = &ipu##i##_di##d##_clk, \ + .reg = r, \ + .bp = BP_##r##_IPU##i##_DI##d##_SEL, \ + .bm = BM_##r##_IPU##i##_DI##d##_SEL, \ + .parents = { \ + &ipu##i##_di##d##_pre_clk, \ + &dummy_clk, \ + &dummy_clk, \ + &ldb_di0_clk, \ + &ldb_di1_clk, \ + NULL \ + }, \ + } + +DEF_IPU_DI_MUX(CHSCCDR, 1, 0); +DEF_IPU_DI_MUX(CHSCCDR, 1, 1); +DEF_IPU_DI_MUX(CSCDR2, 2, 0); +DEF_IPU_DI_MUX(CSCDR2, 2, 1); + +#define DEF_IPU_MUX(id) \ + static struct multiplexer ipu##id##_mux = { \ + .clk = &ipu##id##_clk, \ + .reg = CSCDR3, \ + .bp = BP_CSCDR3_IPU##id##_HSP_SEL, \ + .bm = BM_CSCDR3_IPU##id##_HSP_SEL, \ + .parents = { \ + &mmdc_ch0_axi_clk, \ + &pll2_pfd_400m, \ + &pll3_120m, \ + &pll3_pfd_540m, \ + NULL \ + }, \ + } + +DEF_IPU_MUX(1); +DEF_IPU_MUX(2); + +static struct multiplexer *multiplexers[] = { + &axi_mux, + &periph_mux, + &periph_pre_mux, + &periph_clk2_mux, + &periph2_mux, + &periph2_pre_mux, + &periph2_clk2_mux, + &gpu2d_axi_mux, + &gpu3d_axi_mux, + &gpu3d_core_mux, + &gpu3d_shader_mux, + &pcie_axi_mux, + &vdo_axi_mux, + &vpu_axi_mux, + &gpu2d_core_mux, + &ssi1_mux, + &ssi2_mux, + &ssi3_mux, + &usdhc1_mux, + &usdhc2_mux, + &usdhc3_mux, + &usdhc4_mux, + &emi_mux, + &emi_slow_mux, + &esai_mux, + &ldb_di0_mux, + &ldb_di1_mux, + &enfc_mux, + &spdif_mux, + &asrc_serial_mux, + &hsi_tx_mux, + &ipu1_di0_pre_mux, + &ipu1_di0_mux, + &ipu1_di1_pre_mux, + &ipu1_di1_mux, + &ipu2_di0_pre_mux, + &ipu2_di0_mux, + &ipu2_di1_pre_mux, + &ipu2_di1_mux, + &ipu1_mux, + &ipu2_mux, +}; + +static int _clk_set_parent(struct clk *clk, struct clk *parent) +{ + struct multiplexer *m; + int i, num; + u32 val; + + num = ARRAY_SIZE(multiplexers); + for (i = 0; i < num; i++) + if (multiplexers[i]->clk == clk) { + m = multiplexers[i]; + break; + } + if (i == num) + return -EINVAL; + + i = 0; + while (m->parents[i]) { + if (parent == m->parents[i]) + break; + i++; + } + if (!m->parents[i]) + return -EINVAL; + + val = readl_relaxed(m->reg); + val &= ~m->bm; + val |= i << m->bp; + writel_relaxed(val, m->reg); + + if (clk == &periph_clk) + return clk_busy_wait(clk); + + return 0; +} + +#define DEF_NG_CLK(name, p) \ + static struct clk name = { \ + .get_rate = _clk_get_rate, \ + .set_rate = _clk_set_rate, \ + .round_rate = _clk_round_rate, \ + .set_parent = _clk_set_parent, \ + .parent = p, \ + } + +DEF_NG_CLK(periph_clk2_clk, &osc_clk); +DEF_NG_CLK(periph_pre_clk, &pll2_bus); +DEF_NG_CLK(periph_clk, &periph_pre_clk); +DEF_NG_CLK(periph2_clk2_clk, &osc_clk); +DEF_NG_CLK(periph2_pre_clk, &pll2_bus); +DEF_NG_CLK(periph2_clk, &periph2_pre_clk); +DEF_NG_CLK(axi_clk, &periph_clk); +DEF_NG_CLK(emi_clk, &axi_clk); +DEF_NG_CLK(arm_clk, &pll1_sw_clk); +DEF_NG_CLK(ahb_clk, &periph_clk); +DEF_NG_CLK(ipg_clk, &ahb_clk); +DEF_NG_CLK(ipg_perclk, &ipg_clk); +DEF_NG_CLK(ipu1_di0_pre_clk, &pll3_pfd_540m); +DEF_NG_CLK(ipu1_di1_pre_clk, &pll3_pfd_540m); +DEF_NG_CLK(ipu2_di0_pre_clk, &pll3_pfd_540m); +DEF_NG_CLK(ipu2_di1_pre_clk, &pll3_pfd_540m); +DEF_NG_CLK(asrc_serial_clk, &pll3_usb_otg); + +#define DEF_CLK(name, er, es, p, s) \ + static struct clk name = { \ + .enable_reg = er, \ + .enable_shift = es, \ + .enable = _clk_enable, \ + .disable = _clk_disable, \ + .get_rate = _clk_get_rate, \ + .set_rate = _clk_set_rate, \ + .round_rate = _clk_round_rate, \ + .set_parent = _clk_set_parent, \ + .parent = p, \ + .secondary = s, \ + } + +DEF_CLK(aips_tz1_clk, CCGR0, CG0, &ahb_clk, NULL); +DEF_CLK(aips_tz2_clk, CCGR0, CG1, &ahb_clk, NULL); +DEF_CLK(apbh_dma_clk, CCGR0, CG2, &ahb_clk, NULL); +DEF_CLK(asrc_clk, CCGR0, CG3, &pll4_audio, NULL); +DEF_CLK(can1_serial_clk, CCGR0, CG8, &pll3_usb_otg, NULL); +DEF_CLK(can1_clk, CCGR0, CG7, &pll3_usb_otg, &can1_serial_clk); +DEF_CLK(can2_serial_clk, CCGR0, CG10, &pll3_usb_otg, NULL); +DEF_CLK(can2_clk, CCGR0, CG9, &pll3_usb_otg, &can2_serial_clk); +DEF_CLK(ecspi1_clk, CCGR1, CG0, &pll3_60m, NULL); +DEF_CLK(ecspi2_clk, CCGR1, CG1, &pll3_60m, NULL); +DEF_CLK(ecspi3_clk, CCGR1, CG2, &pll3_60m, NULL); +DEF_CLK(ecspi4_clk, CCGR1, CG3, &pll3_60m, NULL); +DEF_CLK(ecspi5_clk, CCGR1, CG4, &pll3_60m, NULL); +DEF_CLK(enet_clk, CCGR1, CG5, &ipg_clk, NULL); +DEF_CLK(esai_clk, CCGR1, CG8, &pll3_usb_otg, NULL); +DEF_CLK(gpt_serial_clk, CCGR1, CG11, &ipg_perclk, NULL); +DEF_CLK(gpt_clk, CCGR1, CG10, &ipg_perclk, &gpt_serial_clk); +DEF_CLK(gpu2d_core_clk, CCGR1, CG12, &pll2_pfd_352m, &gpu2d_axi_clk); +DEF_CLK(gpu3d_core_clk, CCGR1, CG13, &pll2_pfd_594m, &gpu3d_axi_clk); +DEF_CLK(gpu3d_shader_clk, CCGR1, CG13, &pll3_pfd_720m, &gpu3d_axi_clk); +DEF_CLK(hdmi_iahb_clk, CCGR2, CG0, &ahb_clk, NULL); +DEF_CLK(hdmi_isfr_clk, CCGR2, CG2, &pll3_pfd_540m, &hdmi_iahb_clk); +DEF_CLK(i2c1_clk, CCGR2, CG3, &ipg_perclk, NULL); +DEF_CLK(i2c2_clk, CCGR2, CG4, &ipg_perclk, NULL); +DEF_CLK(i2c3_clk, CCGR2, CG5, &ipg_perclk, NULL); +DEF_CLK(iim_clk, CCGR2, CG6, &ipg_clk, NULL); +DEF_CLK(enfc_clk, CCGR2, CG7, &pll2_pfd_352m, NULL); +DEF_CLK(ipu1_clk, CCGR3, CG0, &mmdc_ch0_axi_clk, NULL); +DEF_CLK(ipu1_di0_clk, CCGR3, CG1, &ipu1_di0_pre_clk, NULL); +DEF_CLK(ipu1_di1_clk, CCGR3, CG2, &ipu1_di1_pre_clk, NULL); +DEF_CLK(ipu2_clk, CCGR3, CG3, &mmdc_ch0_axi_clk, NULL); +DEF_CLK(ipu2_di0_clk, CCGR3, CG4, &ipu2_di0_pre_clk, NULL); +DEF_CLK(ipu2_di1_clk, CCGR3, CG5, &ipu2_di1_pre_clk, NULL); +DEF_CLK(ldb_di0_clk, CCGR3, CG6, &pll3_pfd_540m, NULL); +DEF_CLK(ldb_di1_clk, CCGR3, CG7, &pll3_pfd_540m, NULL); +DEF_CLK(hsi_tx_clk, CCGR3, CG8, &pll2_pfd_400m, NULL); +DEF_CLK(mlb_clk, CCGR3, CG9, &pll6_mlb, NULL); +DEF_CLK(mmdc_ch0_ipg_clk, CCGR3, CG12, &ipg_clk, NULL); +DEF_CLK(mmdc_ch0_axi_clk, CCGR3, CG10, &periph_clk, &mmdc_ch0_ipg_clk); +DEF_CLK(mmdc_ch1_ipg_clk, CCGR3, CG13, &ipg_clk, NULL); +DEF_CLK(mmdc_ch1_axi_clk, CCGR3, CG11, &periph2_clk, &mmdc_ch1_ipg_clk); +DEF_CLK(openvg_axi_clk, CCGR3, CG13, &axi_clk, NULL); +DEF_CLK(pwm1_clk, CCGR4, CG8, &ipg_perclk, NULL); +DEF_CLK(pwm2_clk, CCGR4, CG9, &ipg_perclk, NULL); +DEF_CLK(pwm3_clk, CCGR4, CG10, &ipg_perclk, NULL); +DEF_CLK(pwm4_clk, CCGR4, CG11, &ipg_perclk, NULL); +DEF_CLK(gpmi_bch_apb_clk, CCGR4, CG12, &usdhc3_clk, NULL); +DEF_CLK(gpmi_bch_clk, CCGR4, CG13, &usdhc4_clk, &gpmi_bch_apb_clk); +DEF_CLK(gpmi_apb_clk, CCGR4, CG15, &usdhc3_clk, &gpmi_bch_clk); +DEF_CLK(gpmi_io_clk, CCGR4, CG14, &enfc_clk, &gpmi_apb_clk); +DEF_CLK(sdma_clk, CCGR5, CG3, &ahb_clk, NULL); +DEF_CLK(spba_clk, CCGR5, CG6, &ipg_clk, NULL); +DEF_CLK(spdif_clk, CCGR5, CG7, &pll3_usb_otg, &spba_clk); +DEF_CLK(ssi1_clk, CCGR5, CG9, &pll3_pfd_508m, NULL); +DEF_CLK(ssi2_clk, CCGR5, CG10, &pll3_pfd_508m, NULL); +DEF_CLK(ssi3_clk, CCGR5, CG11, &pll3_pfd_508m, NULL); +DEF_CLK(uart_serial_clk, CCGR5, CG13, &pll3_usb_otg, NULL); +DEF_CLK(uart_clk, CCGR5, CG12, &pll3_80m, &uart_serial_clk); +DEF_CLK(usboh3_clk, CCGR6, CG0, &ipg_clk, NULL); +DEF_CLK(usdhc1_clk, CCGR6, CG1, &pll2_pfd_400m, NULL); +DEF_CLK(usdhc2_clk, CCGR6, CG2, &pll2_pfd_400m, NULL); +DEF_CLK(usdhc3_clk, CCGR6, CG3, &pll2_pfd_400m, NULL); +DEF_CLK(usdhc4_clk, CCGR6, CG4, &pll2_pfd_400m, NULL); +DEF_CLK(emi_slow_clk, CCGR6, CG5, &axi_clk, NULL); +DEF_CLK(vdo_axi_clk, CCGR6, CG6, &axi_clk, NULL); +DEF_CLK(vpu_clk, CCGR6, CG7, &axi_clk, NULL); + +static int pcie_clk_enable(struct clk *clk) +{ + u32 val; + + val = readl_relaxed(PLL8_ENET); + val |= BM_PLL_ENET_EN_PCIE; + writel_relaxed(val, PLL8_ENET); + + return _clk_enable(clk); +} + +static void pcie_clk_disable(struct clk *clk) +{ + u32 val; + + _clk_disable(clk); + + val = readl_relaxed(PLL8_ENET); + val &= BM_PLL_ENET_EN_PCIE; + writel_relaxed(val, PLL8_ENET); +} + +static struct clk pcie_clk = { + .enable_reg = CCGR4, + .enable_shift = CG0, + .enable = pcie_clk_enable, + .disable = pcie_clk_disable, + .set_parent = _clk_set_parent, + .parent = &axi_clk, + .secondary = &pll8_enet, +}; + +static int sata_clk_enable(struct clk *clk) +{ + u32 val; + + val = readl_relaxed(PLL8_ENET); + val |= BM_PLL_ENET_EN_SATA; + writel_relaxed(val, PLL8_ENET); + + return _clk_enable(clk); +} + +static void sata_clk_disable(struct clk *clk) +{ + u32 val; + + _clk_disable(clk); + + val = readl_relaxed(PLL8_ENET); + val &= BM_PLL_ENET_EN_SATA; + writel_relaxed(val, PLL8_ENET); +} + +static struct clk sata_clk = { + .enable_reg = CCGR5, + .enable_shift = CG2, + .enable = sata_clk_enable, + .disable = sata_clk_disable, + .parent = &ipg_clk, + .secondary = &pll8_enet, +}; + +#define _REGISTER_CLOCK(d, n, c) \ + { \ + .dev_id = d, \ + .con_id = n, \ + .clk = &c, \ + } + +static struct clk_lookup lookups[] = { + _REGISTER_CLOCK("2020000.uart", NULL, uart_clk), + _REGISTER_CLOCK("21e8000.uart", NULL, uart_clk), + _REGISTER_CLOCK("21ec000.uart", NULL, uart_clk), + _REGISTER_CLOCK("21f0000.uart", NULL, uart_clk), + _REGISTER_CLOCK("21f4000.uart", NULL, uart_clk), + _REGISTER_CLOCK("2188000.enet", NULL, enet_clk), + _REGISTER_CLOCK("2190000.usdhc", NULL, usdhc1_clk), + _REGISTER_CLOCK("2194000.usdhc", NULL, usdhc2_clk), + _REGISTER_CLOCK("2198000.usdhc", NULL, usdhc3_clk), + _REGISTER_CLOCK("219c000.usdhc", NULL, usdhc4_clk), + _REGISTER_CLOCK("21a0000.i2c", NULL, i2c1_clk), + _REGISTER_CLOCK("21a4000.i2c", NULL, i2c2_clk), + _REGISTER_CLOCK("21a8000.i2c", NULL, i2c3_clk), + _REGISTER_CLOCK("2008000.ecspi", NULL, ecspi1_clk), + _REGISTER_CLOCK("200c000.ecspi", NULL, ecspi2_clk), + _REGISTER_CLOCK("2010000.ecspi", NULL, ecspi3_clk), + _REGISTER_CLOCK("2014000.ecspi", NULL, ecspi4_clk), + _REGISTER_CLOCK("2018000.ecspi", NULL, ecspi5_clk), + _REGISTER_CLOCK("20ec000.sdma", NULL, sdma_clk), + _REGISTER_CLOCK("20bc000.wdog", NULL, dummy_clk), + _REGISTER_CLOCK("20c0000.wdog", NULL, dummy_clk), + _REGISTER_CLOCK(NULL, "ckih", ckih_clk), + _REGISTER_CLOCK(NULL, "ckil_clk", ckil_clk), + _REGISTER_CLOCK(NULL, "aips_tz1_clk", aips_tz1_clk), + _REGISTER_CLOCK(NULL, "aips_tz2_clk", aips_tz2_clk), + _REGISTER_CLOCK(NULL, "asrc_clk", asrc_clk), + _REGISTER_CLOCK(NULL, "can2_clk", can2_clk), + _REGISTER_CLOCK(NULL, "hdmi_isfr_clk", hdmi_isfr_clk), + _REGISTER_CLOCK(NULL, "iim_clk", iim_clk), + _REGISTER_CLOCK(NULL, "mlb_clk", mlb_clk), + _REGISTER_CLOCK(NULL, "openvg_axi_clk", openvg_axi_clk), + _REGISTER_CLOCK(NULL, "pwm1_clk", pwm1_clk), + _REGISTER_CLOCK(NULL, "pwm2_clk", pwm2_clk), + _REGISTER_CLOCK(NULL, "pwm3_clk", pwm3_clk), + _REGISTER_CLOCK(NULL, "pwm4_clk", pwm4_clk), + _REGISTER_CLOCK(NULL, "gpmi_io_clk", gpmi_io_clk), + _REGISTER_CLOCK(NULL, "usboh3_clk", usboh3_clk), + _REGISTER_CLOCK(NULL, "sata_clk", sata_clk), +}; + +int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) +{ + u32 val = readl_relaxed(CLPCR); + + val &= ~BM_CLPCR_LPM; + switch (mode) { + case WAIT_CLOCKED: + break; + case WAIT_UNCLOCKED: + val |= 0x1 << BP_CLPCR_LPM; + break; + case STOP_POWER_ON: + val |= 0x2 << BP_CLPCR_LPM; + break; + case WAIT_UNCLOCKED_POWER_OFF: + val |= 0x1 << BP_CLPCR_LPM; + val &= ~BM_CLPCR_VSTBY; + val &= ~BM_CLPCR_SBYOS; + val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; + break; + case STOP_POWER_OFF: + val |= 0x2 << BP_CLPCR_LPM; + val |= 0x3 << BP_CLPCR_STBY_COUNT; + val |= BM_CLPCR_VSTBY; + val |= BM_CLPCR_SBYOS; + val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; + break; + default: + return -EINVAL; + } + writel_relaxed(val, CLPCR); + + return 0; +} + +static struct map_desc imx6q_clock_desc[] = { + imx_map_entry(MX6Q, CCM, MT_DEVICE), + imx_map_entry(MX6Q, ANATOP, MT_DEVICE), +}; + +int __init mx6q_clocks_init(void) +{ + struct device_node *np; + void __iomem *base; + int i, irq; + + iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); + + /* retrieve the freqency of fixed clocks from device tree */ + for_each_compatible_node(np, NULL, "fixed-clock") { + u32 rate; + if (of_property_read_u32(np, "clock-frequency", &rate)) + continue; + + if (of_device_is_compatible(np, "fsl,imx-ckil")) + external_low_reference = rate; + else if (of_device_is_compatible(np, "fsl,imx-ckih1")) + external_high_reference = rate; + else if (of_device_is_compatible(np, "fsl,imx-osc")) + oscillator_reference = rate; + } + + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); + + /* only keep necessary clocks on */ + writel_relaxed(0x3 << CG0 | 0x3 << CG1 | 0x3 << CG2, CCGR0); + writel_relaxed(0x3 << CG8 | 0x3 << CG9 | 0x3 << CG10, CCGR2); + writel_relaxed(0x3 << CG10 | 0x3 << CG12, CCGR3); + writel_relaxed(0x3 << CG4 | 0x3 << CG6 | 0x3 << CG7, CCGR4); + writel_relaxed(0x3 << CG0, CCGR5); + writel_relaxed(0, CCGR6); + writel_relaxed(0, CCGR7); + + clk_enable(&uart_clk); + clk_enable(&mmdc_ch0_axi_clk); + + clk_set_rate(&pll4_audio, FREQ_650M); + clk_set_rate(&pll5_video, FREQ_650M); + clk_set_parent(&ipu1_di0_clk, &ipu1_di0_pre_clk); + clk_set_parent(&ipu1_di0_pre_clk, &pll5_video); + clk_set_parent(&gpu3d_shader_clk, &pll2_pfd_594m); + clk_set_rate(&gpu3d_shader_clk, FREQ_594M); + clk_set_parent(&gpu3d_core_clk, &mmdc_ch0_axi_clk); + clk_set_rate(&gpu3d_core_clk, FREQ_528M); + clk_set_parent(&asrc_serial_clk, &pll3_usb_otg); + clk_set_rate(&asrc_serial_clk, 1500000); + clk_set_rate(&enfc_clk, 11000000); + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); + base = of_iomap(np, 0); + WARN_ON(!base); + irq = irq_of_parse_and_map(np, 0); + mxc_timer_init(&gpt_clk, base, irq); + + return 0; +} diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c new file mode 100644 index 00000000000..e1537f9e45b --- /dev/null +++ b/arch/arm/mach-imx/gpc.c @@ -0,0 +1,113 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <asm/hardware/gic.h> + +#define GPC_IMR1 0x008 +#define GPC_PGC_CPU_PDN 0x2a0 + +#define IMR_NUM 4 + +static void __iomem *gpc_base; +static u32 gpc_wake_irqs[IMR_NUM]; +static u32 gpc_saved_imrs[IMR_NUM]; + +void imx_gpc_pre_suspend(void) +{ + void __iomem *reg_imr1 = gpc_base + GPC_IMR1; + int i; + + /* Tell GPC to power off ARM core when suspend */ + writel_relaxed(0x1, gpc_base + GPC_PGC_CPU_PDN); + + for (i = 0; i < IMR_NUM; i++) { + gpc_saved_imrs[i] = readl_relaxed(reg_imr1 + i * 4); + writel_relaxed(~gpc_wake_irqs[i], reg_imr1 + i * 4); + } +} + +void imx_gpc_post_resume(void) +{ + void __iomem *reg_imr1 = gpc_base + GPC_IMR1; + int i; + + /* Keep ARM core powered on for other low-power modes */ + writel_relaxed(0x0, gpc_base + GPC_PGC_CPU_PDN); + + for (i = 0; i < IMR_NUM; i++) + writel_relaxed(gpc_saved_imrs[i], reg_imr1 + i * 4); +} + +static int imx_gpc_irq_set_wake(struct irq_data *d, unsigned int on) +{ + unsigned int idx = d->irq / 32 - 1; + u32 mask; + + /* Sanity check for SPI irq */ + if (d->irq < 32) + return -EINVAL; + + mask = 1 << d->irq % 32; + gpc_wake_irqs[idx] = on ? gpc_wake_irqs[idx] | mask : + gpc_wake_irqs[idx] & ~mask; + + return 0; +} + +static void imx_gpc_irq_unmask(struct irq_data *d) +{ + void __iomem *reg; + u32 val; + + /* Sanity check for SPI irq */ + if (d->irq < 32) + return; + + reg = gpc_base + GPC_IMR1 + (d->irq / 32 - 1) * 4; + val = readl_relaxed(reg); + val &= ~(1 << d->irq % 32); + writel_relaxed(val, reg); +} + +static void imx_gpc_irq_mask(struct irq_data *d) +{ + void __iomem *reg; + u32 val; + + /* Sanity check for SPI irq */ + if (d->irq < 32) + return; + + reg = gpc_base + GPC_IMR1 + (d->irq / 32 - 1) * 4; + val = readl_relaxed(reg); + val |= 1 << (d->irq % 32); + writel_relaxed(val, reg); +} + +void __init imx_gpc_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc"); + gpc_base = of_iomap(np, 0); + WARN_ON(!gpc_base); + + /* Register GPC as the secondary interrupt controller behind GIC */ + gic_arch_extn.irq_mask = imx_gpc_irq_mask; + gic_arch_extn.irq_unmask = imx_gpc_irq_unmask; + gic_arch_extn.irq_set_wake = imx_gpc_irq_set_wake; +} diff --git a/arch/arm/mach-imx/head-v7.S b/arch/arm/mach-imx/head-v7.S new file mode 100644 index 00000000000..6229efbc70c --- /dev/null +++ b/arch/arm/mach-imx/head-v7.S @@ -0,0 +1,99 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/asm-offsets.h> +#include <asm/hardware/cache-l2x0.h> + + .section ".text.head", "ax" + __CPUINIT + +/* + * The secondary kernel init calls v7_flush_dcache_all before it enables + * the L1; however, the L1 comes out of reset in an undefined state, so + * the clean + invalidate performed by v7_flush_dcache_all causes a bunch + * of cache lines with uninitialized data and uninitialized tags to get + * written out to memory, which does really unpleasant things to the main + * processor. We fix this by performing an invalidate, rather than a + * clean + invalidate, before jumping into the kernel. + * + * This funciton is cloned from arch/arm/mach-tegra/headsmp.S, and needs + * to be called for both secondary cores startup and primary core resume + * procedures. Ideally, it should be moved into arch/arm/mm/cache-v7.S. + */ +ENTRY(v7_invalidate_l1) + mov r0, #0 + mcr p15, 2, r0, c0, c0, 0 + mrc p15, 1, r0, c0, c0, 0 + + ldr r1, =0x7fff + and r2, r1, r0, lsr #13 + + ldr r1, =0x3ff + + and r3, r1, r0, lsr #3 @ NumWays - 1 + add r2, r2, #1 @ NumSets + + and r0, r0, #0x7 + add r0, r0, #4 @ SetShift + + clz r1, r3 @ WayShift + add r4, r3, #1 @ NumWays +1: sub r2, r2, #1 @ NumSets-- + mov r3, r4 @ Temp = NumWays +2: subs r3, r3, #1 @ Temp-- + mov r5, r3, lsl r1 + mov r6, r2, lsl r0 + orr r5, r5, r6 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift) + mcr p15, 0, r5, c7, c6, 2 + bgt 2b + cmp r2, #0 + bgt 1b + dsb + isb + mov pc, lr +ENDPROC(v7_invalidate_l1) + +#ifdef CONFIG_SMP +ENTRY(v7_secondary_startup) + bl v7_invalidate_l1 + b secondary_startup +ENDPROC(v7_secondary_startup) +#endif + +/* + * The following code is located into the .data section. This is to + * allow phys_l2x0_saved_regs to be accessed with a relative load + * as we are running on physical address here. + */ + .data + .align + + .macro pl310_resume + ldr r2, phys_l2x0_saved_regs + ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 + ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value + str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl + mov r1, #0x1 + str r1, [r0, #L2X0_CTRL] @ re-enable L2 + .endm + +ENTRY(v7_cpu_resume) + bl v7_invalidate_l1 + pl310_resume + b cpu_resume +ENDPROC(v7_cpu_resume) + + .globl phys_l2x0_saved_regs +phys_l2x0_saved_regs: + .long 0 diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c new file mode 100644 index 00000000000..89493abd497 --- /dev/null +++ b/arch/arm/mach-imx/hotplug.c @@ -0,0 +1,44 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/errno.h> +#include <asm/cacheflush.h> +#include <mach/common.h> + +int platform_cpu_kill(unsigned int cpu) +{ + return 1; +} + +/* + * platform-specific code to shutdown a CPU + * + * Called with IRQs disabled + */ +void platform_cpu_die(unsigned int cpu) +{ + flush_cache_all(); + imx_enable_cpu(cpu, false); + cpu_do_idle(); + + /* We should never return from idle */ + panic("cpu %d unexpectedly exit from shutdown\n", cpu); +} + +int platform_cpu_disable(unsigned int cpu) +{ + /* + * we don't allow CPU 0 to be shutdown (it is still too special + * e.g. clock tick interrupts) + */ + return cpu == 0 ? -EPERM : 0; +} diff --git a/arch/arm/mach-imx/lluart.c b/arch/arm/mach-imx/lluart.c new file mode 100644 index 00000000000..d4ab6f29a76 --- /dev/null +++ b/arch/arm/mach-imx/lluart.c @@ -0,0 +1,32 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <asm/page.h> +#include <asm/sizes.h> +#include <asm/mach/map.h> +#include <mach/hardware.h> + +static struct map_desc imx_lluart_desc = { +#ifdef CONFIG_DEBUG_IMX6Q_UART + .virtual = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR), + .pfn = __phys_to_pfn(MX6Q_UART4_BASE_ADDR), + .length = MX6Q_UART4_SIZE, + .type = MT_DEVICE, +#endif +}; + +void __init imx_lluart_map_io(void) +{ + if (imx_lluart_desc.virtual) + iotable_init(&imx_lluart_desc, 1); +} diff --git a/arch/arm/mach-imx/localtimer.c b/arch/arm/mach-imx/localtimer.c new file mode 100644 index 00000000000..3a163515d41 --- /dev/null +++ b/arch/arm/mach-imx/localtimer.c @@ -0,0 +1,35 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/clockchips.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <asm/smp_twd.h> + +/* + * Setup the local clock events for a CPU. + */ +int __cpuinit local_timer_setup(struct clock_event_device *evt) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "arm,smp-twd"); + if (!twd_base) { + twd_base = of_iomap(np, 0); + WARN_ON(!twd_base); + } + evt->irq = irq_of_parse_and_map(np, 0); + twd_timer_setup(evt); + + return 0; +} diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c new file mode 100644 index 00000000000..8bf5fa34948 --- /dev/null +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -0,0 +1,84 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/hardware/cache-l2x0.h> +#include <asm/hardware/gic.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/hardware.h> + +static void __init imx6q_init_machine(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + imx6q_pm_init(); +} + +static void __init imx6q_map_io(void) +{ + imx_lluart_map_io(); + imx_scu_map_io(); +} + +static void __init imx6q_gpio_add_irq_domain(struct device_node *np, + struct device_node *interrupt_parent) +{ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - + 32 * 7; /* imx6q gets 7 gpio ports */ + + irq_domain_add_simple(np, gpio_irq_base); + gpio_irq_base += 32; +} + +static const struct of_device_id imx6q_irq_match[] __initconst = { + { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, + { .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, }, + { /* sentinel */ } +}; + +static void __init imx6q_init_irq(void) +{ + l2x0_of_init(0, ~0UL); + imx_src_init(); + imx_gpc_init(); + of_irq_init(imx6q_irq_match); +} + +static void __init imx6q_timer_init(void) +{ + mx6q_clocks_init(); +} + +static struct sys_timer imx6q_timer = { + .init = imx6q_timer_init, +}; + +static const char *imx6q_dt_compat[] __initdata = { + "fsl,imx6q-sabreauto", + NULL, +}; + +DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)") + .map_io = imx6q_map_io, + .init_irq = imx6q_init_irq, + .handle_irq = imx6q_handle_irq, + .timer = &imx6q_timer, + .init_machine = imx6q_init_machine, + .dt_compat = imx6q_dt_compat, +MACHINE_END diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c new file mode 100644 index 00000000000..c461e98496c --- /dev/null +++ b/arch/arm/mach-imx/mmdc.c @@ -0,0 +1,72 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> + +#define MMDC_MAPSR 0x404 +#define BP_MMDC_MAPSR_PSD 0 +#define BP_MMDC_MAPSR_PSS 4 + +static int __devinit imx_mmdc_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + void __iomem *mmdc_base, *reg; + u32 val; + int timeout = 0x400; + + mmdc_base = of_iomap(np, 0); + WARN_ON(!mmdc_base); + + reg = mmdc_base + MMDC_MAPSR; + + /* Enable automatic power saving */ + val = readl_relaxed(reg); + val &= ~(1 << BP_MMDC_MAPSR_PSD); + writel_relaxed(val, reg); + + /* Ensure it's successfully enabled */ + while (!(readl_relaxed(reg) & 1 << BP_MMDC_MAPSR_PSS) && --timeout) + cpu_relax(); + + if (unlikely(!timeout)) { + pr_warn("%s: failed to enable automatic power saving\n", + __func__); + return -EBUSY; + } + + return 0; +} + +static struct of_device_id imx_mmdc_dt_ids[] = { + { .compatible = "fsl,imx6q-mmdc", }, + { /* sentinel */ } +}; + +static struct platform_driver imx_mmdc_driver = { + .driver = { + .name = "imx-mmdc", + .owner = THIS_MODULE, + .of_match_table = imx_mmdc_dt_ids, + }, + .probe = imx_mmdc_probe, +}; + +static int __init imx_mmdc_init(void) +{ + return platform_driver_register(&imx_mmdc_driver); +} +postcore_initcall(imx_mmdc_init); diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c new file mode 100644 index 00000000000..ab98c6fec9e --- /dev/null +++ b/arch/arm/mach-imx/platsmp.c @@ -0,0 +1,85 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/smp.h> +#include <asm/page.h> +#include <asm/smp_scu.h> +#include <asm/hardware/gic.h> +#include <asm/mach/map.h> +#include <mach/common.h> +#include <mach/hardware.h> + +static void __iomem *scu_base; + +static struct map_desc scu_io_desc __initdata = { + /* .virtual and .pfn are run-time assigned */ + .length = SZ_4K, + .type = MT_DEVICE, +}; + +void __init imx_scu_map_io(void) +{ + unsigned long base; + + /* Get SCU base */ + asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base)); + + scu_io_desc.virtual = IMX_IO_P2V(base); + scu_io_desc.pfn = __phys_to_pfn(base); + iotable_init(&scu_io_desc, 1); + + scu_base = IMX_IO_ADDRESS(base); +} + +void __cpuinit platform_secondary_init(unsigned int cpu) +{ + /* + * if any interrupts are already enabled for the primary + * core (e.g. timer irq), then they will not have been enabled + * for us: do so + */ + gic_secondary_init(0); +} + +int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + imx_set_cpu_jump(cpu, v7_secondary_startup); + imx_enable_cpu(cpu, true); + return 0; +} + +/* + * Initialise the CPU possible map early - this describes the CPUs + * which may be present or become present in the system. + */ +void __init smp_init_cpus(void) +{ + int i, ncores; + + ncores = scu_get_core_count(scu_base); + + for (i = 0; i < ncores; i++) + set_cpu_possible(i, true); + + set_smp_cross_call(gic_raise_softirq); +} + +void imx_smp_prepare(void) +{ + scu_enable(scu_base); +} + +void __init platform_smp_prepare_cpus(unsigned int max_cpus) +{ + imx_smp_prepare(); +} diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c new file mode 100644 index 00000000000..f20f191d7cc --- /dev/null +++ b/arch/arm/mach-imx/pm-imx6q.c @@ -0,0 +1,70 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/suspend.h> +#include <asm/cacheflush.h> +#include <asm/proc-fns.h> +#include <asm/suspend.h> +#include <asm/hardware/cache-l2x0.h> +#include <mach/common.h> +#include <mach/hardware.h> + +extern unsigned long phys_l2x0_saved_regs; + +static int imx6q_suspend_finish(unsigned long val) +{ + cpu_do_idle(); + return 0; +} + +static int imx6q_pm_enter(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_MEM: + imx6q_set_lpm(STOP_POWER_OFF); + imx_gpc_pre_suspend(); + imx_set_cpu_jump(0, v7_cpu_resume); + /* Zzz ... */ + cpu_suspend(0, imx6q_suspend_finish); + imx_smp_prepare(); + imx_gpc_post_resume(); + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct platform_suspend_ops imx6q_pm_ops = { + .enter = imx6q_pm_enter, + .valid = suspend_valid_only_mem, +}; + +void __init imx6q_pm_init(void) +{ + /* + * The l2x0 core code provides an infrastucture to save and restore + * l2x0 registers across suspend/resume cycle. But because imx6q + * retains L2 content during suspend and needs to resume L2 before + * MMU is enabled, it can only utilize register saving support and + * have to take care of restoring on its own. So we save physical + * address of the data structure used by l2x0 core to save registers, + * and later restore the necessary ones in imx6q resume entry. + */ + phys_l2x0_saved_regs = __pa(&l2x0_saved_regs); + + suspend_set_ops(&imx6q_pm_ops); +} diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c new file mode 100644 index 00000000000..36cacbd0dcc --- /dev/null +++ b/arch/arm/mach-imx/src.c @@ -0,0 +1,49 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <asm/unified.h> + +#define SRC_SCR 0x000 +#define SRC_GPR1 0x020 +#define BP_SRC_SCR_CORE1_RST 14 +#define BP_SRC_SCR_CORE1_ENABLE 22 + +static void __iomem *src_base; + +void imx_enable_cpu(int cpu, bool enable) +{ + u32 mask, val; + + mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1); + val = readl_relaxed(src_base + SRC_SCR); + val = enable ? val | mask : val & ~mask; + writel_relaxed(val, src_base + SRC_SCR); +} + +void imx_set_cpu_jump(int cpu, void *jump_addr) +{ + writel_relaxed(BSYM(virt_to_phys(jump_addr)), + src_base + SRC_GPR1 + cpu * 8); +} + +void __init imx_src_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src"); + src_base = of_iomap(np, 0); + WARN_ON(!src_base); +} diff --git a/arch/arm/mach-mxs/include/mach/debug-macro.S b/arch/arm/mach-mxs/include/mach/debug-macro.S index 714570d8366..90c6b7836ad 100644 --- a/arch/arm/mach-mxs/include/mach/debug-macro.S +++ b/arch/arm/mach-mxs/include/mach/debug-macro.S @@ -14,17 +14,9 @@ #include <mach/mx23.h> #include <mach/mx28.h> -#ifdef CONFIG_SOC_IMX23 -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#ifdef CONFIG_DEBUG_IMX23_UART #define UART_PADDR MX23_DUART_BASE_ADDR -#endif - -#ifdef CONFIG_SOC_IMX28 -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#elif defined (CONFIG_DEBUG_IMX28_UART) #define UART_PADDR MX28_DUART_BASE_ADDR #endif diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S index fb4901c4ef0..8cc372dc66a 100644 --- a/arch/arm/mach-realview/include/mach/debug-macro.S +++ b/arch/arm/mach-realview/include/mach/debug-macro.S @@ -10,23 +10,10 @@ * published by the Free Software Foundation. */ -#if defined(CONFIG_MACH_REALVIEW_EB) || \ - defined(CONFIG_MACH_REALVIEW_PB11MP) || \ - defined(CONFIG_MACH_REALVIEW_PBA8) || \ - defined(CONFIG_MACH_REALVIEW_PBX) -#ifndef DEBUG_LL_UART_OFFSET +#ifdef CONFIG_DEBUG_REALVIEW_STD_PORT #define DEBUG_LL_UART_OFFSET 0x00009000 -#elif DEBUG_LL_UART_OFFSET != 0x00009000 -#warning "DEBUG_LL_UART_OFFSET already defined to a different value" -#endif -#endif - -#ifdef CONFIG_MACH_REALVIEW_PB1176 -#ifndef DEBUG_LL_UART_OFFSET +#elif defined(CONFIG_DEBUG_REALVIEW_PB1176_PORT) #define DEBUG_LL_UART_OFFSET 0x0010c000 -#elif DEBUG_LL_UART_OFFSET != 0x0010c000 -#warning "DEBUG_LL_UART_OFFSET already defined to a different value" -#endif #endif #ifndef DEBUG_LL_UART_OFFSET diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 7d5fff7b363..67f75a0b66d 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -819,7 +819,7 @@ config CACHE_FEROCEON_L2_WRITETHROUGH config CACHE_L2X0 bool "Enable the L2x0 outer cache controller" depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \ - REALVIEW_EB_A9MP || SOC_IMX35 || SOC_IMX31 || MACH_REALVIEW_PBX || \ + REALVIEW_EB_A9MP || ARCH_IMX_V6_V7 || MACH_REALVIEW_PBX || \ ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \ ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \ ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX || ARCH_HIGHBANK diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index 502e45f0317..2704951d8cd 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -6,7 +6,7 @@ menu "Freescale MXC Implementations" choice prompt "Freescale CPU family:" - default ARCH_MX3 + default ARCH_IMX_V6_V7 config ARCH_IMX_V4_V5 bool "i.MX1, i.MX21, i.MX25, i.MX27" @@ -16,10 +16,13 @@ config ARCH_IMX_V4_V5 This enables support for systems based on the Freescale i.MX ARMv4 and ARMv5 SoCs -config ARCH_MX3 - bool "MX3-based" +config ARCH_IMX_V6_V7 + bool "i.MX3, i.MX6" + select AUTO_ZRELADDR if !ZBOOT_ROM + select ARM_PATCH_PHYS_VIRT help - This enables support for systems based on the Freescale i.MX3 family + This enables support for systems based on the Freescale i.MX3 and i.MX6 + family. config ARCH_MX5 bool "i.MX50, i.MX51, i.MX53" diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index d53c35fe2ea..b9f0f5f499a 100644 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile @@ -5,7 +5,7 @@ # Common support obj-y := clock.o time.o devices.o cpu.o system.o irq-common.o -# MX51 uses the TZIC interrupt controller, older platforms use AVIC +obj-$(CONFIG_ARM_GIC) += gic.o obj-$(CONFIG_MXC_TZIC) += tzic.o obj-$(CONFIG_MXC_AVIC) += avic.o diff --git a/arch/arm/plat-mxc/gic.c b/arch/arm/plat-mxc/gic.c new file mode 100644 index 00000000000..b3b8eed263b --- /dev/null +++ b/arch/arm/plat-mxc/gic.c @@ -0,0 +1,48 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/io.h> +#include <asm/exception.h> +#include <asm/localtimer.h> +#include <asm/hardware/gic.h> +#ifdef CONFIG_SMP +#include <asm/smp.h> +#endif + +asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs) +{ + u32 irqstat, irqnr; + + do { + irqstat = readl_relaxed(gic_cpu_base_addr + GIC_CPU_INTACK); + irqnr = irqstat & 0x3ff; + if (irqnr == 1023) + break; + + if (irqnr > 29 && irqnr < 1021) + handle_IRQ(irqnr, regs); +#ifdef CONFIG_SMP + else if (irqnr < 16) { + writel_relaxed(irqstat, gic_cpu_base_addr + + GIC_CPU_EOI); + handle_IPI(irqnr, regs); + } +#endif +#ifdef CONFIG_LOCAL_TIMERS + else if (irqnr == 29) { + writel_relaxed(irqstat, gic_cpu_base_addr + + GIC_CPU_EOI); + handle_local_timer(regs); + } +#endif + } while (1); +} diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index c850af3650e..83b745a5e1b 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -13,6 +13,7 @@ struct platform_device; struct clk; +enum mxc_cpu_pwr_mode; extern void mx1_map_io(void); extern void mx21_map_io(void); @@ -66,6 +67,7 @@ extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); extern int mx51_clocks_init_dt(void); extern int mx53_clocks_init_dt(void); +extern int mx6q_clocks_init(void); extern struct platform_device *mxc_register_gpio(char *name, int id, resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); extern void mxc_set_cpu_type(unsigned int type); @@ -88,6 +90,7 @@ extern void imx_print_silicon_rev(const char *cpu, int srev); void avic_handle_irq(struct pt_regs *); void tzic_handle_irq(struct pt_regs *); +void gic_handle_irq(struct pt_regs *); #define imx1_handle_irq avic_handle_irq #define imx21_handle_irq avic_handle_irq @@ -98,10 +101,36 @@ void tzic_handle_irq(struct pt_regs *); #define imx50_handle_irq tzic_handle_irq #define imx51_handle_irq tzic_handle_irq #define imx53_handle_irq tzic_handle_irq +#define imx6q_handle_irq gic_handle_irq +extern void imx_enable_cpu(int cpu, bool enable); +extern void imx_set_cpu_jump(int cpu, void *jump_addr); +#ifdef CONFIG_DEBUG_LL +extern void imx_lluart_map_io(void); +#else +static inline void imx_lluart_map_io(void) {} +#endif +extern void v7_cpu_resume(void); +extern u32 *pl310_get_save_ptr(void); +#ifdef CONFIG_SMP +extern void v7_secondary_startup(void); +extern void imx_scu_map_io(void); +extern void imx_smp_prepare(void); +#else +static inline void imx_scu_map_io(void) {} +static inline void imx_smp_prepare(void) {} +#endif +extern void imx_enable_cpu(int cpu, bool enable); +extern void imx_set_cpu_jump(int cpu, void *jump_addr); +extern void imx_src_init(void); +extern void imx_gpc_init(void); +extern void imx_gpc_pre_suspend(void); +extern void imx_gpc_post_resume(void); extern void imx51_babbage_common_init(void); extern void imx53_ard_common_init(void); extern void imx53_evk_common_init(void); extern void imx53_qsb_common_init(void); extern void imx53_smd_common_init(void); +extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode); +extern void imx6q_pm_init(void); #endif diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S index a3045937fc2..6e192c4a391 100644 --- a/arch/arm/plat-mxc/include/mach/debug-macro.S +++ b/arch/arm/plat-mxc/include/mach/debug-macro.S @@ -12,44 +12,20 @@ */ #include <mach/hardware.h> -#ifdef CONFIG_SOC_IMX1 +#ifdef CONFIG_DEBUG_IMX1_UART #define UART_PADDR MX1_UART1_BASE_ADDR -#endif - -#ifdef CONFIG_SOC_IMX25 -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#elif defined (CONFIG_DEBUG_IMX25_UART) #define UART_PADDR MX25_UART1_BASE_ADDR -#endif - -#if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27) -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART) #define UART_PADDR MX2x_UART1_BASE_ADDR -#endif - -#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35) -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART) #define UART_PADDR MX3x_UART1_BASE_ADDR -#endif - -#ifdef CONFIG_SOC_IMX51 -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#elif defined (CONFIG_DEBUG_IMX51_UART) #define UART_PADDR MX51_UART1_BASE_ADDR -#endif - -/* iMX50/53 have same addresses, but not iMX51 */ -#if defined(CONFIG_SOC_IMX50) || defined(CONFIG_SOC_IMX53) -#ifdef UART_PADDR -#error "CONFIG_DEBUG_LL is incompatible with multiple archs" -#endif +#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART) #define UART_PADDR MX53_UART1_BASE_ADDR +#elif defined (CONFIG_DEBUG_IMX6Q_UART) +#define UART_PADDR MX6Q_UART4_BASE_ADDR #endif #define UART_VADDR IMX_IO_ADDRESS(UART_PADDR) diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S index 842fbcb0d6c..9fe0dfcf4e7 100644 --- a/arch/arm/plat-mxc/include/mach/entry-macro.S +++ b/arch/arm/plat-mxc/include/mach/entry-macro.S @@ -22,3 +22,9 @@ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp .endm + + .macro test_for_ipi, irqnr, irqstat, base, tmp + .endm + + .macro test_for_ltirq, irqnr, irqstat, base, tmp + .endm diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h index eba3118adfb..a599f01f8b9 100644 --- a/arch/arm/plat-mxc/include/mach/hardware.h +++ b/arch/arm/plat-mxc/include/mach/hardware.h @@ -91,6 +91,11 @@ * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 * AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000 * AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000 + * mx6q: + * SCU 0x00a00000+0x001000 -> 0xf4000000+0x001000 + * CCM 0x020c4000+0x004000 -> 0xf42c4000+0x004000 + * ANATOP 0x020c8000+0x001000 -> 0xf42c8000+0x001000 + * UART4 0x021f0000+0x004000 -> 0xf42f0000+0x004000 */ #define IMX_IO_P2V(x) ( \ 0xf4000000 + \ @@ -102,6 +107,7 @@ #include <mach/mxc.h> +#include <mach/mx6q.h> #include <mach/mx50.h> #include <mach/mx51.h> #include <mach/mx53.h> diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h index 00e812bbd81..fd9efb04465 100644 --- a/arch/arm/plat-mxc/include/mach/irqs.h +++ b/arch/arm/plat-mxc/include/mach/irqs.h @@ -14,9 +14,15 @@ #include <asm-generic/gpio.h> /* - * SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64 + * SoCs with GIC interrupt controller have 160 IRQs, those with TZIC + * have 128 IRQs, and those with AVIC have 64. + * + * To support single image, the biggest number should be defined on + * top of the list. */ -#ifdef CONFIG_MXC_TZIC +#if defined CONFIG_ARM_GIC +#define MXC_INTERNAL_IRQS 160 +#elif defined CONFIG_MXC_TZIC #define MXC_INTERNAL_IRQS 128 #else #define MXC_INTERNAL_IRQS 64 diff --git a/arch/arm/plat-mxc/include/mach/mx6q.h b/arch/arm/plat-mxc/include/mach/mx6q.h new file mode 100644 index 00000000000..254a561a279 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mx6q.h @@ -0,0 +1,33 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef __MACH_MX6Q_H__ +#define __MACH_MX6Q_H__ + +#define MX6Q_IO_P2V(x) IMX_IO_P2V(x) +#define MX6Q_IO_ADDRESS(x) IOMEM(MX6Q_IO_P2V(x)) + +/* + * The following are the blocks that need to be statically mapped. + * For other blocks, the base address really should be retrieved from + * device tree. + */ +#define MX6Q_SCU_BASE_ADDR 0x00a00000 +#define MX6Q_SCU_SIZE 0x1000 +#define MX6Q_CCM_BASE_ADDR 0x020c4000 +#define MX6Q_CCM_SIZE 0x4000 +#define MX6Q_ANATOP_BASE_ADDR 0x020c8000 +#define MX6Q_ANATOP_SIZE 0x1000 +#define MX6Q_UART4_BASE_ADDR 0x021f0000 +#define MX6Q_UART4_SIZE 0x4000 + +#endif /* __MACH_MX6Q_H__ */ diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index b3e10659e4b..49b14b1a7ab 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -367,4 +367,11 @@ config SAMSUNG_PD help Say Y here if you want to control Power Domain by Runtime PM. +config DEBUG_S3C_UART + depends on PLAT_SAMSUNG + int + default "0" if DEBUG_S3C_UART0 + default "1" if DEBUG_S3C_UART1 + default "2" if DEBUG_S3C_UART2 + endif |